5644129516 has 12 divisors (see below), whose sum is σ = 9931798240. Its totient is φ = 2806472880.

The previous prime is 5644129511. The next prime is 5644129627. The reversal of 5644129516 is 6159214465.

It is not an unprimeable number, because it can be changed into a prime (5644129511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3897156 + ... + 3898603.

Almost surely, 2^5644129516 is an apocalyptic number.

It is an amenable number.

5644129516 is a deficient number, since it is larger than the sum of its proper divisors (4287668724).

5644129516 is a wasteful number, since it uses less digits than its factorization.

5644129516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7795944 (or 7795942 counting only the distinct ones).

The product of its digits is 259200, while the sum is 43.

The square root of 5644129516 is about 75127.4218644564. The cubic root of 5644129516 is about 1780.4604199695.

The spelling of 5644129516 in words is "five billion, six hundred forty-four million, one hundred twenty-nine thousand, five hundred sixteen".