521714635353475 has 12 divisors (see below), whose sum is σ = 669233946040560. Its totient is φ = 402979580410400.

The previous prime is 521714635353433. The next prime is 521714635353479. The reversal of 521714635353475 is 574353536417125.

It is a de Polignac number, because none of the positive numbers 2^k-521714635353475 is a prime.

It is not an unprimeable number, because it can be changed into a prime (521714635353479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359803196071 + ... + 359803197520.

It is an arithmetic number, because the mean of its divisors is an integer number (55769495503380).

Almost surely, 2^{521714635353475} is an apocalyptic number.

521714635353475 is a deficient number, since it is larger than the sum of its proper divisors (147519310687085).

521714635353475 is a wasteful number, since it uses less digits than its factorization.

521714635353475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719606393630 (or 719606393625 counting only the distinct ones).

The product of its digits is 158760000, while the sum is 61.

The spelling of 521714635353475 in words is "five hundred twenty-one trillion, seven hundred fourteen billion, six hundred thirty-five million, three hundred fifty-three thousand, four hundred seventy-five".