5435392638 has 32 divisors (see below), whose sum is σ = 11772432000. Its totient is φ = 1663081056.

The previous prime is 5435392601. The next prime is 5435392661. The reversal of 5435392638 is 8362935345.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180688 + ... + 208611.

It is an arithmetic number, because the mean of its divisors is an integer number (367888500).

Almost surely, 2^5435392638 is an apocalyptic number.

5435392638 is an abundant number, since it is smaller than the sum of its proper divisors (6337039362).

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

5435392638 is a wasteful number, since it uses less digits than its factorization.

5435392638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389496.

The product of its digits is 2332800, while the sum is 48.

The square root of 5435392638 is about 73725.1153813950. The cubic root of 5435392638 is about 1758.2352142628.

The spelling of 5435392638 in words is "five billion, four hundred thirty-five million, three hundred ninety-two thousand, six hundred thirty-eight".