3952997536 has 12 divisors (see below), whose sum is σ = 7782463962. Its totient is φ = 1976498752.

The previous prime is 3952997513. The next prime is 3952997537. The reversal of 3952997536 is 6357992593.

It can be written as a sum of positive squares in only one way, i.e., 3163387536 + 789610000 = 56244^2 + 28100^2 .

It is not an unprimeable number, because it can be changed into a prime (3952997537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61765555 + ... + 61765618.

Almost surely, 2^3952997536 is an apocalyptic number.

It is an amenable number.

3952997536 is a deficient number, since it is larger than the sum of its proper divisors (3829466426).

3952997536 is a wasteful number, since it uses less digits than its factorization.

3952997536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123531183 (or 123531175 counting only the distinct ones).

The product of its digits is 13778100, while the sum is 58.

The square root of 3952997536 is about 62872.8680433778. The cubic root of 3952997536 is about 1581.1588912683.

The spelling of 3952997536 in words is "three billion, nine hundred fifty-two million, nine hundred ninety-seven thousand, five hundred thirty-six".