13713021877 has 2 divisors, whose sum is σ = 13713021878. Its totient is φ = 13713021876.

The previous prime is 13713021871. The next prime is 13713021929. The reversal of 13713021877 is 77812031731.

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., 10422163921 + 3290857956 = 102089^2 + 57366^2 .

It is a cyclic number.

It is not a de Polignac number, because 13713021877 - 2³ = 13713021869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13713021871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6856510938 + 6856510939.

It is an arithmetic number, because the mean of its divisors is an integer number (6856510939).

Almost surely, 2^13713021877 is an apocalyptic number.

It is an amenable number.

13713021877 is a deficient number, since it is larger than the sum of its proper divisors (1).

13713021877 is an equidigital number, since it uses as much as digits as its factorization.

13713021877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 13713021877 in words is "thirteen billion, seven hundred thirteen million, twenty-one thousand, eight hundred seventy-seven".