561930741834 has 64 divisors (see below), whose sum is σ = 1402157399040. Its totient is φ = 145854011520.

The previous prime is 561930741833. The next prime is 561930741847. The reversal of 561930741834 is 438147039165.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (561930741833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 237657 + ... + 1086435.

It is an arithmetic number, because the mean of its divisors is an integer number (21908709360).

Almost surely, 2^561930741834 is an apocalyptic number.

561930741834 is an abundant number, since it is smaller than the sum of its proper divisors (840226657206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561930741834 is a wasteful number, since it uses less digits than its factorization.

561930741834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850235.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 561930741834 in words is "five hundred sixty-one billion, nine hundred thirty million, seven hundred forty-one thousand, eight hundred thirty-four".