561794323694 has 8 divisors (see below), whose sum is σ = 843173855688. Its totient is φ = 280736371800.

The previous prime is 561794323663. The next prime is 561794323763. The reversal of 561794323694 is 496323497165.

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

It is a super-2 number, since 2×561794323694² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80390657 + ... + 80397644.

It is an arithmetic number, because the mean of its divisors is an integer number (105396731961).

Almost surely, 2^561794323694 is an apocalyptic number.

561794323694 is a deficient number, since it is larger than the sum of its proper divisors (281379531994).

561794323694 is a wasteful number, since it uses less digits than its factorization.

561794323694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160790050.

The product of its digits is 29393280, while the sum is 59.

The spelling of 561794323694 in words is "five hundred sixty-one billion, seven hundred ninety-four million, three hundred twenty-three thousand, six hundred ninety-four".