914744902561 has 4 divisors (see below), whose sum is σ = 1045422745792. Its totient is φ = 784067059332.

The previous prime is 914744902501. The next prime is 914744902571. The reversal of 914744902561 is 165209447419.

It is a happy number.

914744902561 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, and also an emirpimes, since its reverse is a distinct semiprime: 165209447419 = 23 ⋅7183019453.

It is a cyclic number.

It is not a de Polignac number, because 914744902561 - 2⁷ = 914744902433 is a prime.

It is a super-2 number, since 2×914744902561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 914744902499 and 914744902508.

It is not an unprimeable number, because it can be changed into a prime (914744902501) 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, 65338921605 + ... + 65338921618.

It is an arithmetic number, because the mean of its divisors is an integer number (261355686448).

Almost surely, 2^914744902561 is an apocalyptic number.

It is an amenable number.

914744902561 is a deficient number, since it is larger than the sum of its proper divisors (130677843231).

914744902561 is a wasteful number, since it uses less digits than its factorization.

914744902561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130677843230.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 914744902561 in words is "nine hundred fourteen billion, seven hundred forty-four million, nine hundred two thousand, five hundred sixty-one".