5121604426 has 16 divisors (see below), whose sum is σ = 7933224960. Its totient is φ = 2477258640.

The previous prime is 5121604409. The next prime is 5121604447. The reversal of 5121604426 is 6244061215.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 166695 + ... + 195013.

It is an arithmetic number, because the mean of its divisors is an integer number (495826560).

Almost surely, 2^5121604426 is an apocalyptic number.

5121604426 is a deficient number, since it is larger than the sum of its proper divisors (2811620534).

5121604426 is a wasteful number, since it uses less digits than its factorization.

5121604426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31269.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 5121604426 is about 71565.3856693304. The cubic root of 5121604426 is about 1723.7277660897.

The spelling of 5121604426 in words is "five billion, one hundred twenty-one million, six hundred four thousand, four hundred twenty-six".