10631685397 has 2 divisors, whose sum is σ = 10631685398. Its totient is φ = 10631685396.

The previous prime is 10631685377. The next prime is 10631685401. The reversal of 10631685397 is 79358613601.

10631685397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8595329521 + 2036355876 = 92711^2 + 45126^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10631685397 is a prime.

It is a super-2 number, since 2×10631685397² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10631685397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10631685367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5315842698 + 5315842699.

It is an arithmetic number, because the mean of its divisors is an integer number (5315842699).

Almost surely, 2^10631685397 is an apocalyptic number.

It is an amenable number.

10631685397 is a deficient number, since it is larger than the sum of its proper divisors (1).

10631685397 is an equidigital number, since it uses as much as digits as its factorization.

10631685397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 10631685397 in words is "ten billion, six hundred thirty-one million, six hundred eighty-five thousand, three hundred ninety-seven".