5399638864 has 10 divisors (see below), whose sum is σ = 10461800330. Its totient is φ = 2699819424.

The previous prime is 5399638831. The next prime is 5399638873. The reversal of 5399638864 is 4688369935.

It can be written as a sum of positive squares in only one way, i.e., 5070579264 + 329059600 = 71208^2 + 18140^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 168738699 + ... + 168738730.

It is an arithmetic number, because the mean of its divisors is an integer number (1046180033).

Almost surely, 2^5399638864 is an apocalyptic number.

It is an amenable number.

5399638864 is a deficient number, since it is larger than the sum of its proper divisors (5062161466).

5399638864 is a wasteful number, since it uses less digits than its factorization.

5399638864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337477437 (or 337477431 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 61.

The square root of 5399638864 is about 73482.2350231673. The cubic root of 5399638864 is about 1754.3715321273.

The spelling of 5399638864 in words is "five billion, three hundred ninety-nine million, six hundred thirty-eight thousand, eight hundred sixty-four".