913686868641 has 16 divisors (see below), whose sum is σ = 1251209363904. Its totient is φ = 592645385664.

The previous prime is 913686868639. The next prime is 913686868669. The reversal of 913686868641 is 146868686319.

It is not a de Polignac number, because 913686868641 - 2¹ = 913686868639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (913686868441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4925806 + ... + 5107928.

It is an arithmetic number, because the mean of its divisors is an integer number (78200585244).

Almost surely, 2^913686868641 is an apocalyptic number.

It is an amenable number.

913686868641 is a deficient number, since it is larger than the sum of its proper divisors (337522495263).

913686868641 is a wasteful number, since it uses less digits than its factorization.

913686868641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227360.

The product of its digits is 71663616, while the sum is 66.

Multiplying 913686868641 by its sum of digits (66), we get a palindrome (60303333330306).

The spelling of 913686868641 in words is "nine hundred thirteen billion, six hundred eighty-six million, eight hundred sixty-eight thousand, six hundred forty-one".