13102010657 has 2 divisors, whose sum is σ = 13102010658. Its totient is φ = 13102010656.

The previous prime is 13102010641. The next prime is 13102010681. The reversal of 13102010657 is 75601020131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8251723921 + 4850286736 = 90839^2 + 69644^2 .

It is a cyclic number.

It is not a de Polignac number, because 13102010657 - 2⁴ = 13102010641 is a prime.

It is a super-2 number, since 2×13102010657² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13102013657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6551005328 + 6551005329.

It is an arithmetic number, because the mean of its divisors is an integer number (6551005329).

Almost surely, 2^13102010657 is an apocalyptic number.

It is an amenable number.

13102010657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13102010657 is an equidigital number, since it uses as much as digits as its factorization.

13102010657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

Adding to 13102010657 its reverse (75601020131), we get a palindrome (88703030788).

The spelling of 13102010657 in words is "thirteen billion, one hundred two million, ten thousand, six hundred fifty-seven".