561472697874 has 16 divisors (see below), whose sum is σ = 1225031340960. Its totient is φ = 170143241760.

The previous prime is 561472697839. The next prime is 561472697893. The reversal of 561472697874 is 478796274165.

It is a Harshad number since it is a multiple of its sum of digits (66), and also a Moran number because the ratio is a prime number: 8507162089 = 561472697874 / (5 + 6 + 1 + 4 + 7 + 2 + 6 + 9 + 7 + 8 + 7 + 4).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4253580979 + ... + 4253581110.

It is an arithmetic number, because the mean of its divisors is an integer number (76564458810).

Almost surely, 2^561472697874 is an apocalyptic number.

561472697874 is an abundant number, since it is smaller than the sum of its proper divisors (663558643086).

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

561472697874 is a wasteful number, since it uses less digits than its factorization.

561472697874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507162105.

The product of its digits is 142248960, while the sum is 66.

The spelling of 561472697874 in words is "five hundred sixty-one billion, four hundred seventy-two million, six hundred ninety-seven thousand, eight hundred seventy-four".