913757400641 has 4 divisors (see below), whose sum is σ = 914392396800. Its totient is φ = 913122404484.

The previous prime is 913757400617. The next prime is 913757400643. The reversal of 913757400641 is 146004757319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 913757400641 - 2³⁸ = 638879493697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913757400643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317495921 + ... + 317498798.

It is an arithmetic number, because the mean of its divisors is an integer number (228598099200).

Almost surely, 2^913757400641 is an apocalyptic number.

It is an amenable number.

913757400641 is a deficient number, since it is larger than the sum of its proper divisors (634996159).

913757400641 is a wasteful number, since it uses less digits than its factorization.

913757400641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634996158.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 913757400641 in words is "nine hundred thirteen billion, seven hundred fifty-seven million, four hundred thousand, six hundred forty-one".