352511968653 has 120 divisors (see below), whose sum is σ = 576529319520. Its totient is φ = 214544453760.

The previous prime is 352511968649. The next prime is 352511968661. The reversal of 352511968653 is 356869115253.

352511968653 is a `hidden beast` number, since 3 + 5 + 2 + 511 + 9 + 68 + 65 + 3 = 666.

It is not a de Polignac number, because 352511968653 - 2² = 352511968649 is a prime.

It is a super-2 number, since 2×352511968653² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 352511968653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352511961653) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 717946738 + ... + 717947228.

It is an arithmetic number, because the mean of its divisors is an integer number (4804410996).

Almost surely, 2^352511968653 is an apocalyptic number.

It is an amenable number.

352511968653 is a deficient number, since it is larger than the sum of its proper divisors (224017350867).

352511968653 is a wasteful number, since it uses less digits than its factorization.

352511968653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 979 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The spelling of 352511968653 in words is "three hundred fifty-two billion, five hundred eleven million, nine hundred sixty-eight thousand, six hundred fifty-three".