13377087793 has 2 divisors, whose sum is σ = 13377087794. Its totient is φ = 13377087792.

The previous prime is 13377087767. The next prime is 13377087821. The reversal of 13377087793 is 39778077331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11745574129 + 1631513664 = 108377^2 + 40392^2 .

It is a cyclic number.

It is not a de Polignac number, because 13377087793 - 2⁵ = 13377087761 is a prime.

It is a super-2 number, since 2×13377087793² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13377087733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6688543896 + 6688543897.

It is an arithmetic number, because the mean of its divisors is an integer number (6688543897).

Almost surely, 2^13377087793 is an apocalyptic number.

It is an amenable number.

13377087793 is a deficient number, since it is larger than the sum of its proper divisors (1).

13377087793 is an equidigital number, since it uses as much as digits as its factorization.

13377087793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4667544, while the sum is 55.

The spelling of 13377087793 in words is "thirteen billion, three hundred seventy-seven million, eighty-seven thousand, seven hundred ninety-three".