12861763630 has 16 divisors (see below), whose sum is σ = 23165976960. Its totient is φ = 5141416032.

The previous prime is 12861763619. The next prime is 12861763643. The reversal of 12861763630 is 3636716821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394725 + ... + 426064.

It is an arithmetic number, because the mean of its divisors is an integer number (1447873560).

Almost surely, 2^12861763630 is an apocalyptic number.

12861763630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12861763630 is a deficient number, since it is larger than the sum of its proper divisors (10304213330).

12861763630 is a wasteful number, since it uses less digits than its factorization.

12861763630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822363.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 12861763630 in words is "twelve billion, eight hundred sixty-one million, seven hundred sixty-three thousand, six hundred thirty".