561972692052 has 36 divisors (see below), whose sum is σ = 1495307457280. Its totient is φ = 177465060432.

The previous prime is 561972692051. The next prime is 561972692059. The reversal of 561972692052 is 250296279165.

561972692052 is a `hidden beast` number, since 561 + 9 + 7 + 2 + 6 + 9 + 20 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×561972692052² (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 561972692052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561972692051) 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, 410798068 + ... + 410799435.

Almost surely, 2^561972692052 is an apocalyptic number.

It is an amenable number.

561972692052 is an abundant number, since it is smaller than the sum of its proper divisors (933334765228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561972692052 is a wasteful number, since it uses less digits than its factorization.

561972692052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821597532 (or 821597527 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 561972692052 in words is "five hundred sixty-one billion, nine hundred seventy-two million, six hundred ninety-two thousand, fifty-two".