561617195093 has 4 divisors (see below), whose sum is σ = 561856488960. Its totient is φ = 561377901228.

The previous prime is 561617195077. The next prime is 561617195119. The reversal of 561617195093 is 390591716165.

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 561617195093 - 2⁴ = 561617195077 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 (561617185093) 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, 119643413 + ... + 119648106.

It is an arithmetic number, because the mean of its divisors is an integer number (140464122240).

Almost surely, 2^561617195093 is an apocalyptic number.

It is an amenable number.

561617195093 is a deficient number, since it is larger than the sum of its proper divisors (239293867).

561617195093 is a wasteful number, since it uses less digits than its factorization.

561617195093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239293866.

The product of its (nonzero) digits is 1530900, while the sum is 53.

The spelling of 561617195093 in words is "five hundred sixty-one billion, six hundred seventeen million, one hundred ninety-five thousand, ninety-three".