3956738025 has 12 divisors (see below), whose sum is σ = 6541806992. Its totient is φ = 2110260240.

The previous prime is 3956738003. The next prime is 3956738033. The reversal of 3956738025 is 5208376593.

It is a happy number.

It is not a de Polignac number, because 3956738025 - 2¹⁴ = 3956721641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26378179 + ... + 26378328.

Almost surely, 2^3956738025 is an apocalyptic number.

It is an amenable number.

3956738025 is a deficient number, since it is larger than the sum of its proper divisors (2585068967).

3956738025 is a wasteful number, since it uses less digits than its factorization.

3956738025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52756520 (or 52756515 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 48.

The square root of 3956738025 is about 62902.6074578789. The cubic root of 3956738025 is about 1581.6574532593.

The spelling of 3956738025 in words is "three billion, nine hundred fifty-six million, seven hundred thirty-eight thousand, twenty-five".