13876261657 has 2 divisors, whose sum is σ = 13876261658. Its totient is φ = 13876261656.

The previous prime is 13876261631. The next prime is 13876261673. The reversal of 13876261657 is 75616267831.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10840141456 + 3036120201 = 104116^2 + 55101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13876261657 is a prime.

It is not a weakly prime, because it can be changed into another prime (13076261657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6938130828 + 6938130829.

It is an arithmetic number, because the mean of its divisors is an integer number (6938130829).

Almost surely, 2^13876261657 is an apocalyptic number.

It is an amenable number.

13876261657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13876261657 is an equidigital number, since it uses as much as digits as its factorization.

13876261657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 52.

The spelling of 13876261657 in words is "thirteen billion, eight hundred seventy-six million, two hundred sixty-one thousand, six hundred fifty-seven".