10685356013 has 2 divisors, whose sum is σ = 10685356014. Its totient is φ = 10685356012.

The previous prime is 10685355971. The next prime is 10685356091. The reversal of 10685356013 is 31065358601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7513075684 + 3172280329 = 86678^2 + 56323^2 .

It is a cyclic number.

It is not a de Polignac number, because 10685356013 - 2²⁸ = 10416920557 is a prime.

It is a super-2 number, since 2×10685356013² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10685353013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5342678006 + 5342678007.

It is an arithmetic number, because the mean of its divisors is an integer number (5342678007).

Almost surely, 2^10685356013 is an apocalyptic number.

It is an amenable number.

10685356013 is a deficient number, since it is larger than the sum of its proper divisors (1).

10685356013 is an equidigital number, since it uses as much as digits as its factorization.

10685356013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 10685356013 in words is "ten billion, six hundred eighty-five million, three hundred fifty-six thousand, thirteen".