10372317781 has 16 divisors (see below), whose sum is σ = 12189536640. Its totient is φ = 8639559360.

The previous prime is 10372317757. The next prime is 10372317821. The reversal of 10372317781 is 18771327301.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10372317781 - 2⁷ = 10372317653 is a prime.

It is a super-2 number, since 2×10372317781² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10372317731) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188250 + ... + 237028.

It is an arithmetic number, because the mean of its divisors is an integer number (761846040).

Almost surely, 2^10372317781 is an apocalyptic number.

It is an amenable number.

10372317781 is a deficient number, since it is larger than the sum of its proper divisors (1817218859).

10372317781 is an equidigital number, since it uses as much as digits as its factorization.

10372317781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49644.

The product of its (nonzero) digits is 49392, while the sum is 40.

The spelling of 10372317781 in words is "ten billion, three hundred seventy-two million, three hundred seventeen thousand, seven hundred eighty-one".