5394631338 has 12 divisors (see below), whose sum is σ = 11688367938. Its totient is φ = 1798210440.

The previous prime is 5394631337. The next prime is 5394631343. The reversal of 5394631338 is 8331364935.

5394631338 is a `hidden beast` number, since 5 + 3 + 9 + 4 + 631 + 3 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5385064689 + 9566649 = 73383^2 + 3093^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5394631293 and 5394631302.

It is not an unprimeable number, because it can be changed into a prime (5394631337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 149850853 + ... + 149850888.

Almost surely, 2^5394631338 is an apocalyptic number.

5394631338 is an abundant number, since it is smaller than the sum of its proper divisors (6293736600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5394631338 is a wasteful number, since it uses less digits than its factorization.

5394631338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299701749 (or 299701746 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 5394631338 is about 73448.1540816377. The cubic root of 5394631338 is about 1753.8290404050.

The spelling of 5394631338 in words is "five billion, three hundred ninety-four million, six hundred thirty-one thousand, three hundred thirty-eight".