3945077065 has 16 divisors (see below), whose sum is σ = 4986918720. Its totient is φ = 2987755200.

The previous prime is 3945077063. The next prime is 3945077083. The reversal of 3945077065 is 5607705493.

It is not a de Polignac number, because 3945077065 - 2¹ = 3945077063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3945077063) 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, 121015 + ... + 150115.

It is an arithmetic number, because the mean of its divisors is an integer number (311682420).

Almost surely, 2^3945077065 is an apocalyptic number.

It is an amenable number.

3945077065 is a deficient number, since it is larger than the sum of its proper divisors (1041841655).

3945077065 is a wasteful number, since it uses less digits than its factorization.

3945077065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30552.

The product of its (nonzero) digits is 793800, while the sum is 46.

The square root of 3945077065 is about 62809.8484713982. The cubic root of 3945077065 is about 1580.1021491668.

The spelling of 3945077065 in words is "three billion, nine hundred forty-five million, seventy-seven thousand, sixty-five".