646860483054 has 48 divisors (see below), whose sum is σ = 1424656119744. Its totient is φ = 212063198400.

The previous prime is 646860483053. The next prime is 646860483103. The reversal of 646860483054 is 450384068646.

646860483054 is a `hidden beast` number, since 6 + 468 + 60 + 48 + 30 + 54 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646860483053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12945739 + ... + 12995609.

It is an arithmetic number, because the mean of its divisors is an integer number (29680335828).

Almost surely, 2^646860483054 is an apocalyptic number.

646860483054 is an abundant number, since it is smaller than the sum of its proper divisors (777795636690).

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

646860483054 is a wasteful number, since it uses less digits than its factorization.

646860483054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61753 (or 61750 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 54.

The spelling of 646860483054 in words is "six hundred forty-six billion, eight hundred sixty million, four hundred eighty-three thousand, fifty-four".