561617304304342 has 32 divisors (see below), whose sum is σ = 990249717913344. Its totient is φ = 235513506007200.

The previous prime is 561617304304337. The next prime is 561617304304373. The reversal of 561617304304342 is 243403403716165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 541640218 + ... + 542676109.

It is an arithmetic number, because the mean of its divisors is an integer number (30945303684792).

Almost surely, 2^{561617304304342} is an apocalyptic number.

561617304304342 is a deficient number, since it is larger than the sum of its proper divisors (428632413609002).

561617304304342 is a wasteful number, since it uses less digits than its factorization.

561617304304342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084318164.

The product of its (nonzero) digits is 4354560, while the sum is 49.

The spelling of 561617304304342 in words is "five hundred sixty-one trillion, six hundred seventeen billion, three hundred four million, three hundred four thousand, three hundred forty-two".