5313961808 has 20 divisors (see below), whose sum is σ = 10464586548. Its totient is φ = 2613423360.

The previous prime is 5313961789. The next prime is 5313961831. The reversal of 5313961808 is 8081693135.

It can be written as a sum of positive squares in 2 ways, for example, as 667085584 + 4646876224 = 25828^2 + 68168^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2721341 + ... + 2723292.

Almost surely, 2^5313961808 is an apocalyptic number.

It is an amenable number.

5313961808 is a deficient number, since it is larger than the sum of its proper divisors (5150624740).

5313961808 is a wasteful number, since it uses less digits than its factorization.

5313961808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444702 (or 5444696 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 5313961808 is about 72896.9259159808. The cubic root of 5313961808 is about 1745.0430399644.

The spelling of 5313961808 in words is "five billion, three hundred thirteen million, nine hundred sixty-one thousand, eight hundred eight".