3952465939 has 2 divisors, whose sum is σ = 3952465940. Its totient is φ = 3952465938.

The previous prime is 3952465919. The next prime is 3952465961. The reversal of 3952465939 is 9395642593.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3952465939 - 2¹¹ = 3952463891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3952465939.

It is not a weakly prime, because it can be changed into another prime (3952465919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1976232969 + 1976232970.

It is an arithmetic number, because the mean of its divisors is an integer number (1976232970).

Almost surely, 2^3952465939 is an apocalyptic number.

3952465939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3952465939 is an equidigital number, since it uses as much as digits as its factorization.

3952465939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7873200, while the sum is 55.

The square root of 3952465939 is about 62868.6403463603. The cubic root of 3952465939 is about 1581.0880102894.

The spelling of 3952465939 in words is "three billion, nine hundred fifty-two million, four hundred sixty-five thousand, nine hundred thirty-nine".