13013043077 has 2 divisors, whose sum is σ = 13013043078. Its totient is φ = 13013043076.

The previous prime is 13013043037. The next prime is 13013043097. The reversal of 13013043077 is 77034031031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12401272321 + 611770756 = 111361^2 + 24734^2 .

It is a cyclic number.

It is not a de Polignac number, because 13013043077 - 2²⁴ = 12996265861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13013043037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6506521538 + 6506521539.

It is an arithmetic number, because the mean of its divisors is an integer number (6506521539).

Almost surely, 2^13013043077 is an apocalyptic number.

It is an amenable number.

13013043077 is a deficient number, since it is larger than the sum of its proper divisors (1).

13013043077 is an equidigital number, since it uses as much as digits as its factorization.

13013043077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The spelling of 13013043077 in words is "thirteen billion, thirteen million, forty-three thousand, seventy-seven".