68254524657 has 24 divisors (see below), whose sum is σ = 113213249760. Its totient is φ = 39189199680.

The previous prime is 68254524647. The next prime is 68254524659. The reversal of 68254524657 is 75642545286.

68254524657 is a `hidden beast` number, since 6 + 8 + 2 + 54 + 524 + 65 + 7 = 666.

It is not a de Polignac number, because 68254524657 - 2⁴ = 68254524641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68254524659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18141268 + ... + 18145029.

It is an arithmetic number, because the mean of its divisors is an integer number (4717218740).

Almost surely, 2^68254524657 is an apocalyptic number.

It is an amenable number.

68254524657 is a deficient number, since it is larger than the sum of its proper divisors (44958725103).

68254524657 is a wasteful number, since it uses less digits than its factorization.

68254524657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36286333 (or 36286330 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 54.

The spelling of 68254524657 in words is "sixty-eight billion, two hundred fifty-four million, five hundred twenty-four thousand, six hundred fifty-seven".