461932089012 has 18 divisors (see below), whose sum is σ = 1167661669538. Its totient is φ = 153977362992.

The previous prime is 461932088929. The next prime is 461932089037. The reversal of 461932089012 is 210980239164.

461932089012 is a `hidden beast` number, since 4 + 619 + 3 + 20 + 8 + 9 + 0 + 1 + 2 = 666.

461932089012 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 284477156496 + 177454932516 = 533364^2 + 421254^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×461932089012² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6415723423 + ... + 6415723494.

Almost surely, 2^461932089012 is an apocalyptic number.

It is an amenable number.

461932089012 is an abundant number, since it is smaller than the sum of its proper divisors (705729580526).

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

461932089012 is a wasteful number, since it uses less digits than its factorization.

461932089012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12831446927 (or 12831446922 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 461932089012 in words is "four hundred sixty-one billion, nine hundred thirty-two million, eighty-nine thousand, twelve".