68457546452 has 12 divisors (see below), whose sum is σ = 122586769536. Its totient is φ = 33432755160.

The previous prime is 68457546439. The next prime is 68457546461. The reversal of 68457546452 is 25464575486.

68457546452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199004324 + ... + 199004667.

It is an arithmetic number, because the mean of its divisors is an integer number (10215564128).

Almost surely, 2^68457546452 is an apocalyptic number.

It is an amenable number.

68457546452 is a deficient number, since it is larger than the sum of its proper divisors (54129223084).

68457546452 is a wasteful number, since it uses less digits than its factorization.

68457546452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398009038 (or 398009036 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 56.

The spelling of 68457546452 in words is "sixty-eight billion, four hundred fifty-seven million, five hundred forty-six thousand, four hundred fifty-two".