27313235399 has 2 divisors, whose sum is σ = 27313235400. Its totient is φ = 27313235398.

The previous prime is 27313235363. The next prime is 27313235449. The reversal of 27313235399 is 99353231372.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27313235399 is a prime.

It is a super-2 number, since 2×27313235399² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27313235099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13656617699 + 13656617700.

It is an arithmetic number, because the mean of its divisors is an integer number (13656617700).

Almost surely, 2^27313235399 is an apocalyptic number.

27313235399 is a deficient number, since it is larger than the sum of its proper divisors (1).

27313235399 is an equidigital number, since it uses as much as digits as its factorization.

27313235399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 47.

The spelling of 27313235399 in words is "twenty-seven billion, three hundred thirteen million, two hundred thirty-five thousand, three hundred ninety-nine".