68769569063 has 8 divisors (see below), whose sum is σ = 74497760400. Its totient is φ = 63479600184.

The previous prime is 68769569053. The next prime is 68769569101. The reversal of 68769569063 is 36096596786.

It is not a de Polignac number, because 68769569063 - 2⁶ = 68769568999 is a prime.

It is a super-2 number, since 2×68769569063² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68769569023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15648593 + ... + 15652986.

It is an arithmetic number, because the mean of its divisors is an integer number (9312220050).

Almost surely, 2^68769569063 is an apocalyptic number.

68769569063 is a deficient number, since it is larger than the sum of its proper divisors (5728191337).

68769569063 is an equidigital number, since it uses as much as digits as its factorization.

68769569063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31301618 (or 31301592 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 65.

The spelling of 68769569063 in words is "sixty-eight billion, seven hundred sixty-nine million, five hundred sixty-nine thousand, sixty-three".