913636418641 has 4 divisors (see below), whose sum is σ = 913638390784. Its totient is φ = 913634446500.

The previous prime is 913636418551. The next prime is 913636418657. The reversal of 913636418641 is 146814636319.

913636418641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 913636418641 - 2²¹ = 913634321489 is a prime.

It is a super-2 number, since 2×913636418641² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (913636418741) 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, 129616 + ... + 1357966.

It is an arithmetic number, because the mean of its divisors is an integer number (228409597696).

Almost surely, 2^913636418641 is an apocalyptic number.

It is an amenable number.

913636418641 is a deficient number, since it is larger than the sum of its proper divisors (1972143).

913636418641 is a wasteful number, since it uses less digits than its factorization.

913636418641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972142.

The product of its digits is 2239488, while the sum is 52.

The spelling of 913636418641 in words is "nine hundred thirteen billion, six hundred thirty-six million, four hundred eighteen thousand, six hundred forty-one".