5591694642 has 32 divisors (see below), whose sum is σ = 11777568000. Its totient is φ = 1764961488.

The previous prime is 5591694631. The next prime is 5591694679. The reversal of 5591694642 is 2464961955.

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 15 ways as a sum of consecutive naturals, for example, 257109 + ... + 278007.

It is an arithmetic number, because the mean of its divisors is an integer number (368049000).

Almost surely, 2^5591694642 is an apocalyptic number.

5591694642 is an abundant number, since it is smaller than the sum of its proper divisors (6185873358).

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

5591694642 is a wasteful number, since it uses less digits than its factorization.

5591694642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23270.

The product of its digits is 2332800, while the sum is 51.

The square root of 5591694642 is about 74777.6346376375. The cubic root of 5591694642 is about 1774.9296690509.

The spelling of 5591694642 in words is "five billion, five hundred ninety-one million, six hundred ninety-four thousand, six hundred forty-two".