5398118438 has 4 divisors (see below), whose sum is σ = 8097177660. Its totient is φ = 2699059218.

The previous prime is 5398118413. The next prime is 5398118461. The reversal of 5398118438 is 8348118935.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1349529608 + ... + 1349529611.

It is an arithmetic number, because the mean of its divisors is an integer number (2024294415).

Almost surely, 2^5398118438 is an apocalyptic number.

5398118438 is a deficient number, since it is larger than the sum of its proper divisors (2699059222).

5398118438 is a wasteful number, since it uses less digits than its factorization.

5398118438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699059221.

The product of its digits is 829440, while the sum is 50.

The square root of 5398118438 is about 73471.8887602599. Note that the first 3 decimals coincide. The cubic root of 5398118438 is about 1754.2068518244.

The spelling of 5398118438 in words is "five billion, three hundred ninety-eight million, one hundred eighteen thousand, four hundred thirty-eight".