10631685377 has 2 divisors, whose sum is σ = 10631685378. Its totient is φ = 10631685376.

The previous prime is 10631685373. The next prime is 10631685397. The reversal of 10631685377 is 77358613601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8649744016 + 1981941361 = 93004^2 + 44519^2 .

It is a cyclic number.

It is not a de Polignac number, because 10631685377 - 2² = 10631685373 is a prime.

It is a super-2 number, since 2×10631685377² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10631685373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5315842688 + 5315842689.

It is an arithmetic number, because the mean of its divisors is an integer number (5315842689).

Almost surely, 2^10631685377 is an apocalyptic number.

It is an amenable number.

10631685377 is a deficient number, since it is larger than the sum of its proper divisors (1).

10631685377 is an equidigital number, since it uses as much as digits as its factorization.

10631685377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The spelling of 10631685377 in words is "ten billion, six hundred thirty-one million, six hundred eighty-five thousand, three hundred seventy-seven".