3936468650 has 12 divisors (see below), whose sum is σ = 7321831782. Its totient is φ = 1574587440.

The previous prime is 3936468631. The next prime is 3936468703. The reversal of 3936468650 is 568646393.

It can be written as a sum of positive squares in 3 ways, for example, as 3728445721 + 208022929 = 61061^2 + 14423^2 .

It is a Harshad number since it is a multiple of its sum of digits (50), and also a Moran number because the ratio is a prime number: 78729373 = 3936468650 / (3 + 9 + 3 + 6 + 4 + 6 + 8 + 6 + 5 + 0).

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, 39364637 + ... + 39364736.

Almost surely, 2^3936468650 is an apocalyptic number.

3936468650 is a deficient number, since it is larger than the sum of its proper divisors (3385363132).

3936468650 is a wasteful number, since it uses less digits than its factorization.

3936468650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78729385 (or 78729380 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 50.

The square root of 3936468650 is about 62741.2834583418. The cubic root of 3936468650 is about 1578.9520169522.

The spelling of 3936468650 in words is "three billion, nine hundred thirty-six million, four hundred sixty-eight thousand, six hundred fifty".