3948936663 has 16 divisors (see below), whose sum is σ = 6145459200. Its totient is φ = 2208523296.

The previous prime is 3948936659. The next prime is 3948936701. The reversal of 3948936663 is 3666398493.

It is not a de Polignac number, because 3948936663 - 2² = 3948936659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948936623) 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, 1999488 + ... + 2001461.

It is an arithmetic number, because the mean of its divisors is an integer number (384091200).

Almost surely, 2^3948936663 is an apocalyptic number.

3948936663 is a deficient number, since it is larger than the sum of its proper divisors (2196522537).

3948936663 is a wasteful number, since it uses less digits than its factorization.

3948936663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001006.

The product of its digits is 15116544, while the sum is 57.

The square root of 3948936663 is about 62840.5654255275. The cubic root of 3948936663 is about 1580.6172697646.

The spelling of 3948936663 in words is "three billion, nine hundred forty-eight million, nine hundred thirty-six thousand, six hundred sixty-three".