5154644621 has 12 divisors (see below), whose sum is σ = 6005355840. Its totient is φ = 4411534680.

The previous prime is 5154644597. The next prime is 5154644639. The reversal of 5154644621 is 1264464515.

It is a happy number.

It is not a de Polignac number, because 5154644621 - 2⁶ = 5154644557 is a prime.

It is a super-2 number, since 2×5154644621² = 53140722337608467282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5154644821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47525 + ... + 112106.

It is an arithmetic number, because the mean of its divisors is an integer number (500446320).

Almost surely, 2^5154644621 is an apocalyptic number.

It is an amenable number.

5154644621 is a deficient number, since it is larger than the sum of its proper divisors (850711219).

5154644621 is a wasteful number, since it uses less digits than its factorization.

5154644621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160304 (or 160297 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The square root of 5154644621 is about 71795.8537869702. The cubic root of 5154644621 is about 1727.4264943735.

The spelling of 5154644621 in words is "five billion, one hundred fifty-four million, six hundred forty-four thousand, six hundred twenty-one".