10631685381 has 8 divisors (see below), whose sum is σ = 14177254464. Its totient is φ = 7086953280.

The previous prime is 10631685377. The next prime is 10631685397. The reversal of 10631685381 is 18358613601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10631685381 - 2² = 10631685377 is a prime.

It is a super-2 number, since 2×10631685381² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10631685341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178980 + ... + 230861.

It is an arithmetic number, because the mean of its divisors is an integer number (1772156808).

Almost surely, 2^10631685381 is an apocalyptic number.

It is an amenable number.

10631685381 is a deficient number, since it is larger than the sum of its proper divisors (3545569083).

10631685381 is an equidigital number, since it uses as much as digits as its factorization.

10631685381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418491.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 10631685381 in words is "ten billion, six hundred thirty-one million, six hundred eighty-five thousand, three hundred eighty-one".