5608137644 has 24 divisors (see below), whose sum is σ = 9966926928. Its totient is φ = 2760744960.

The previous prime is 5608137611. The next prime is 5608137659. The reversal of 5608137644 is 4467318065.

It is a junction number, because it is equal to n+sod(n) for n = 5608137595 and 5608137604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37439 + ... + 112329.

It is an arithmetic number, because the mean of its divisors is an integer number (415288622).

Almost surely, 2^5608137644 is an apocalyptic number.

It is an amenable number.

5608137644 is a deficient number, since it is larger than the sum of its proper divisors (4358789284).

5608137644 is a wasteful number, since it uses less digits than its factorization.

5608137644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75185 (or 75183 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 5608137644 is about 74887.4999182106. The cubic root of 5608137644 is about 1776.6677593908.

The spelling of 5608137644 in words is "five billion, six hundred eight million, one hundred thirty-seven thousand, six hundred forty-four".