5629138408 has 16 divisors (see below), whose sum is σ = 10555473060. Its totient is φ = 2814345600.

The previous prime is 5629138393. The next prime is 5629138421. The reversal of 5629138408 is 8048319265.

It can be written as a sum of positive squares in 2 ways, for example, as 5015189124 + 613949284 = 70818^2 + 24778^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134748 + ... + 171508.

Almost surely, 2^5629138408 is an apocalyptic number.

It is an amenable number.

5629138408 is a deficient number, since it is larger than the sum of its proper divisors (4926334652).

5629138408 is a wasteful number, since it uses less digits than its factorization.

5629138408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55908 (or 55904 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 5629138408 is about 75027.5843140375. The cubic root of 5629138408 is about 1778.8826897945.

The spelling of 5629138408 in words is "five billion, six hundred twenty-nine million, one hundred thirty-eight thousand, four hundred eight".