6380931650 has 12 divisors (see below), whose sum is σ = 11868532962. Its totient is φ = 2552372640.

The previous prime is 6380931647. The next prime is 6380931703. The reversal of 6380931650 is 561390836.

It can be written as a sum of positive squares in 3 ways, for example, as 5825810929 + 555120721 = 76327^2 + 23561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6380931598 and 6380931607.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63809267 + ... + 63809366.

Almost surely, 2^6380931650 is an apocalyptic number.

6380931650 is a deficient number, since it is larger than the sum of its proper divisors (5487601312).

6380931650 is a wasteful number, since it uses less digits than its factorization.

6380931650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127618645 (or 127618640 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 6380931650 is about 79880.7339099986. The cubic root of 6380931650 is about 1854.7897941371.

It can be divided in two parts, 63809 and 31650, that added together give a palindrome (95459).

The spelling of 6380931650 in words is "six billion, three hundred eighty million, nine hundred thirty-one thousand, six hundred fifty".