3956964403 has 32 divisors (see below), whose sum is σ = 4795269120. Its totient is φ = 3194100000.

The previous prime is 3956964391. The next prime is 3956964419. The reversal of 3956964403 is 3044696593.

It is not a de Polignac number, because 3956964403 - 2⁹ = 3956963891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3956964203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1215528 + ... + 1218778.

It is an arithmetic number, because the mean of its divisors is an integer number (149852160).

Almost surely, 2^3956964403 is an apocalyptic number.

3956964403 is a deficient number, since it is larger than the sum of its proper divisors (838304717).

3956964403 is a wasteful number, since it uses less digits than its factorization.

3956964403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439.

The product of its (nonzero) digits is 2099520, while the sum is 49.

The square root of 3956964403 is about 62904.4068647023. The cubic root of 3956964403 is about 1581.6876166262.

The spelling of 3956964403 in words is "three billion, nine hundred fifty-six million, nine hundred sixty-four thousand, four hundred three".