5489599138 has 16 divisors (see below), whose sum is σ = 8520095160. Its totient is φ = 2649606400.

The previous prime is 5489599123. The next prime is 5489599153. The reversal of 5489599138 is 8319959845.

It is an interprime number because it is at equal distance from previous prime (5489599123) and next prime (5489599153).

It can be written as a sum of positive squares in 4 ways, for example, as 2687696649 + 2801902489 = 51843^2 + 52933^2 .

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, 547248 + ... + 557188.

Almost surely, 2^5489599138 is an apocalyptic number.

5489599138 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5489599138 is a deficient number, since it is larger than the sum of its proper divisors (3030496022).

5489599138 is a wasteful number, since it uses less digits than its factorization.

5489599138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19493.

The product of its digits is 13996800, while the sum is 61.

The square root of 5489599138 is about 74091.8290906629. The cubic root of 5489599138 is about 1764.0607786933.

The spelling of 5489599138 in words is "five billion, four hundred eighty-nine million, five hundred ninety-nine thousand, one hundred thirty-eight".