3880664949 has 16 divisors (see below), whose sum is σ = 6170499072. Its totient is φ = 2121108528.

The previous prime is 3880664911. The next prime is 3880665023. The reversal of 3880664949 is 9494660883.

It is not a de Polignac number, because 3880664949 - 2⁸ = 3880664693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3880664849) 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, 4016769 + ... + 4017734.

It is an arithmetic number, because the mean of its divisors is an integer number (385656192).

Almost surely, 2^3880664949 is an apocalyptic number.

It is an amenable number.

3880664949 is a deficient number, since it is larger than the sum of its proper divisors (2289834123).

3880664949 is a wasteful number, since it uses less digits than its factorization.

3880664949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034536.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The square root of 3880664949 is about 62294.9833373443. The cubic root of 3880664949 is about 1571.4553625920.

The spelling of 3880664949 in words is "three billion, eight hundred eighty million, six hundred sixty-four thousand, nine hundred forty-nine".