5644542605 has 16 divisors (see below), whose sum is σ = 7310145024. Its totient is φ = 4159329600.

The previous prime is 5644542583. The next prime is 5644542637. The reversal of 5644542605 is 5062454465.

It is not a de Polignac number, because 5644542605 - 2¹⁸ = 5644280461 is a prime.

It is a super-2 number, since 2×5644542605² = 63721722439320372050, which contains 22 as substring.

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, 62621 + ... + 123330.

It is an arithmetic number, because the mean of its divisors is an integer number (456884064).

Almost surely, 2^5644542605 is an apocalyptic number.

It is an amenable number.

5644542605 is a deficient number, since it is larger than the sum of its proper divisors (1665602419).

5644542605 is a wasteful number, since it uses less digits than its factorization.

5644542605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186436.

The product of its (nonzero) digits is 576000, while the sum is 41.

The square root of 5644542605 is about 75130.1710699503. The cubic root of 5644542605 is about 1780.5038557004.

The spelling of 5644542605 in words is "five billion, six hundred forty-four million, five hundred forty-two thousand, six hundred five".