68524753647 has 16 divisors (see below), whose sum is σ = 104460469760. Its totient is φ = 39141328032.

The previous prime is 68524753541. The next prime is 68524753657. The reversal of 68524753647 is 74635742586.

It is a happy number.

It is not a de Polignac number, because 68524753647 - 2¹¹ = 68524751599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68524753657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599272 + ... + 704397.

It is an arithmetic number, because the mean of its divisors is an integer number (6528779360).

Almost surely, 2^68524753647 is an apocalyptic number.

68524753647 is a deficient number, since it is larger than the sum of its proper divisors (35935716113).

68524753647 is a wasteful number, since it uses less digits than its factorization.

68524753647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306182.

The product of its digits is 33868800, while the sum is 57.

The spelling of 68524753647 in words is "sixty-eight billion, five hundred twenty-four million, seven hundred fifty-three thousand, six hundred forty-seven".