5812991406 has 20 divisors (see below), whose sum is σ = 13025407032. Its totient is φ = 1937663748.

The previous prime is 5812991383. The next prime is 5812991447. The reversal of 5812991406 is 6041992185.

5812991406 is a `hidden beast` number, since 581 + 29 + 9 + 1 + 40 + 6 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 17941170 + ... + 17941493.

Almost surely, 2^5812991406 is an apocalyptic number.

5812991406 is an abundant number, since it is smaller than the sum of its proper divisors (7212415626).

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

5812991406 is a wasteful number, since it uses less digits than its factorization.

5812991406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35882677 (or 35882668 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 5812991406 is about 76242.9761092784. The cubic root of 5812991406 is about 1798.0422547907.

The spelling of 5812991406 in words is "five billion, eight hundred twelve million, nine hundred ninety-one thousand, four hundred six".