561499414993 has 12 divisors (see below), whose sum is σ = 623177411584. Its totient is φ = 505498138200.

The previous prime is 561499414979. The next prime is 561499415017. The reversal of 561499414993 is 399414994165.

561499414993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-561499414993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561499414913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22514193 + ... + 22539118.

Almost surely, 2^561499414993 is an apocalyptic number.

It is an amenable number.

561499414993 is a deficient number, since it is larger than the sum of its proper divisors (61677996591).

561499414993 is a wasteful number, since it uses less digits than its factorization.

561499414993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45053436 (or 45053425 counting only the distinct ones).

The product of its digits is 37791360, while the sum is 64.

The spelling of 561499414993 in words is "five hundred sixty-one billion, four hundred ninety-nine million, four hundred fourteen thousand, nine hundred ninety-three".