5021502838641 has 9 divisors (see below), whose sum is σ = 7253291588491. Its totient is φ = 3347664077352.

The previous prime is 5021502838621. The next prime is 5021502838661. The reversal of 5021502838641 is 1468382051205.

The square root of 5021502838641 is 2240871.

It is a perfect power (a square), and thus also a powerful number.

5021502838641 is a `hidden beast` number, since 5 + 0 + 2 + 1 + 502 + 83 + 8 + 64 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (5021502838621) and next prime (5021502838661).

It can be written as a sum of positive squares in only one way, i.e., 235016496225 + 4786486342416 = 484785^2 + 2187804^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 5021502838641 - 2⁹ = 5021502838129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5021502838621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6349135 + ... + 7096091.

Almost surely, 2^{5021502838641} is an apocalyptic number.

5021502838641 is the 2240871-st square number.

5021502838641 is the 1120436-th centered octagonal number.

It is an amenable number.

5021502838641 is a deficient number, since it is larger than the sum of its proper divisors (2231788749850).

5021502838641 is an frugal number, since it uses more digits than its factorization.

5021502838641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493920 (or 746960 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

Adding to 5021502838641 its reverse (1468382051205), we get a palindrome (6489884889846).

The spelling of 5021502838641 in words is "five trillion, twenty-one billion, five hundred two million, eight hundred thirty-eight thousand, six hundred forty-one".