13699760257 has 2 divisors, whose sum is σ = 13699760258. Its totient is φ = 13699760256.

The previous prime is 13699760251. The next prime is 13699760329. The reversal of 13699760257 is 75206799631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8546817601 + 5152942656 = 92449^2 + 71784^2 .

It is a cyclic number.

It is not a de Polignac number, because 13699760257 - 2¹¹ = 13699758209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13699760198 and 13699760207.

It is not a weakly prime, because it can be changed into another prime (13699760251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6849880128 + 6849880129.

It is an arithmetic number, because the mean of its divisors is an integer number (6849880129).

Almost surely, 2^13699760257 is an apocalyptic number.

It is an amenable number.

13699760257 is a deficient number, since it is larger than the sum of its proper divisors (1).

13699760257 is an equidigital number, since it uses as much as digits as its factorization.

13699760257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 13699760257 in words is "thirteen billion, six hundred ninety-nine million, seven hundred sixty thousand, two hundred fifty-seven".