5201463142621 has 4 divisors (see below), whose sum is σ = 5213047693500. Its totient is φ = 5189878591744.

The previous prime is 5201463142619. The next prime is 5201463142639. The reversal of 5201463142621 is 1262413641025.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2452121105625 + 2749342036996 = 1565925^2 + 1658114^2 .

It is a cyclic number.

It is not a de Polignac number, because 5201463142621 - 2¹ = 5201463142619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5201463142721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5792274766 + ... + 5792275663.

It is an arithmetic number, because the mean of its divisors is an integer number (1303261923375).

Almost surely, 2^{5201463142621} is an apocalyptic number.

It is an amenable number.

5201463142621 is a deficient number, since it is larger than the sum of its proper divisors (11584550879).

5201463142621 is a wasteful number, since it uses less digits than its factorization.

5201463142621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11584550878.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 5201463142621 its reverse (1262413641025), we get a palindrome (6463876783646).

The spelling of 5201463142621 in words is "five trillion, two hundred one billion, four hundred sixty-three million, one hundred forty-two thousand, six hundred twenty-one".