12631902377 has 6 divisors (see below), whose sum is σ = 13375446138. Its totient is φ = 11888413152.

The previous prime is 12631902341. The next prime is 12631902397. The reversal of 12631902377 is 77320913621.

12631902377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11888849296 + 743053081 = 109036^2 + 27259^2 .

It is not a de Polignac number, because 12631902377 - 2⁸ = 12631902121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12631902317) 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 in 5 ways as a sum of consecutive naturals, for example, 449774 + ... + 477032.

It is an arithmetic number, because the mean of its divisors is an integer number (2229241023).

Almost surely, 2^12631902377 is an apocalyptic number.

12631902377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12631902377 is a deficient number, since it is larger than the sum of its proper divisors (743543761).

12631902377 is an frugal number, since it uses more digits than its factorization.

12631902377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54535 (or 27276 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 12631902377 in words is "twelve billion, six hundred thirty-one million, nine hundred two thousand, three hundred seventy-seven".