5813955857 has 2 divisors, whose sum is σ = 5813955858. Its totient is φ = 5813955856.

The previous prime is 5813955827. The next prime is 5813955899. The reversal of 5813955857 is 7585593185.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3434077201 + 2379878656 = 58601^2 + 48784^2 .

It is a cyclic number.

It is not a de Polignac number, because 5813955857 - 2²⁸ = 5545520401 is a prime.

It is not a weakly prime, because it can be changed into another prime (5813955827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2906977928 + 2906977929.

It is an arithmetic number, because the mean of its divisors is an integer number (2906977929).

Almost surely, 2^5813955857 is an apocalyptic number.

It is an amenable number.

5813955857 is a deficient number, since it is larger than the sum of its proper divisors (1).

5813955857 is an equidigital number, since it uses as much as digits as its factorization.

5813955857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560000, while the sum is 56.

The square root of 5813955857 is about 76249.3006984326. The cubic root of 5813955857 is about 1798.1416888361.

The spelling of 5813955857 in words is "five billion, eight hundred thirteen million, nine hundred fifty-five thousand, eight hundred fifty-seven".