3965905955 has 16 divisors (see below), whose sum is σ = 5279731200. Its totient is φ = 2835406560.

The previous prime is 3965905927. The next prime is 3965905997. The reversal of 3965905955 is 5595095693.

3965905955 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3965905955 - 2¹⁰ = 3965904931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3965905955.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607835 + ... + 614324.

It is an arithmetic number, because the mean of its divisors is an integer number (329983200).

Almost surely, 2^3965905955 is an apocalyptic number.

3965905955 is a deficient number, since it is larger than the sum of its proper divisors (1313825245).

3965905955 is a wasteful number, since it uses less digits than its factorization.

3965905955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222234.

The product of its (nonzero) digits is 8201250, while the sum is 56.

The square root of 3965905955 is about 62975.4392997778. The cubic root of 3965905955 is about 1582.8781001385.

The spelling of 3965905955 in words is "three billion, nine hundred sixty-five million, nine hundred five thousand, nine hundred fifty-five".