13718210557 has 2 divisors, whose sum is σ = 13718210558. Its totient is φ = 13718210556.

The previous prime is 13718210531. The next prime is 13718210591. The reversal of 13718210557 is 75501281731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13674729721 + 43480836 = 116939^2 + 6594^2 .

It is a cyclic number.

It is not a de Polignac number, because 13718210557 - 2¹¹ = 13718208509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13718213557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6859105278 + 6859105279.

It is an arithmetic number, because the mean of its divisors is an integer number (6859105279).

Almost surely, 2^13718210557 is an apocalyptic number.

It is an amenable number.

13718210557 is a deficient number, since it is larger than the sum of its proper divisors (1).

13718210557 is an equidigital number, since it uses as much as digits as its factorization.

13718210557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 13718210557 in words is "thirteen billion, seven hundred eighteen million, two hundred ten thousand, five hundred fifty-seven".