3964996550 has 12 divisors (see below), whose sum is σ = 7374893676. Its totient is φ = 1585998600.

The previous prime is 3964996537. The next prime is 3964996561. The reversal of 3964996550 is 556994693.

3964996550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39649916 + ... + 39650015.

It is an arithmetic number, because the mean of its divisors is an integer number (614574473).

Almost surely, 2^3964996550 is an apocalyptic number.

3964996550 is a deficient number, since it is larger than the sum of its proper divisors (3409897126).

3964996550 is a wasteful number, since it uses less digits than its factorization.

3964996550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79299943 (or 79299938 counting only the distinct ones).

The product of its (nonzero) digits is 7873200, while the sum is 56.

The square root of 3964996550 is about 62968.2185709585. The cubic root of 3964996550 is about 1582.7571032115.

The spelling of 3964996550 in words is "three billion, nine hundred sixty-four million, nine hundred ninety-six thousand, five hundred fifty".