561340592639 has 8 divisors (see below), whose sum is σ = 562581862128. Its totient is φ = 560099491840.

The previous prime is 561340592633. The next prime is 561340592689. The reversal of 561340592639 is 936295043165.

561340592639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561340592639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561340592633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8532479 + ... + 8598015.

It is an arithmetic number, because the mean of its divisors is an integer number (70322732766).

Almost surely, 2^561340592639 is an apocalyptic number.

561340592639 is a deficient number, since it is larger than the sum of its proper divisors (1241269489).

561340592639 is a wasteful number, since it uses less digits than its factorization.

561340592639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84345.

The product of its (nonzero) digits is 5248800, while the sum is 53.

The spelling of 561340592639 in words is "five hundred sixty-one billion, three hundred forty million, five hundred ninety-two thousand, six hundred thirty-nine".