3865342664 has 8 divisors (see below), whose sum is σ = 7247517510. Its totient is φ = 1932671328.

The previous prime is 3865342583. The next prime is 3865342673. The reversal of 3865342664 is 4662435683.

It can be written as a sum of positive squares in only one way, i.e., 3227376100 + 637966564 = 56810^2 + 25258^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 241583909 + ... + 241583924.

Almost surely, 2^3865342664 is an apocalyptic number.

It is an amenable number.

3865342664 is a deficient number, since it is larger than the sum of its proper divisors (3382174846).

3865342664 is a wasteful number, since it uses less digits than its factorization.

3865342664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483167839 (or 483167835 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 47.

The square root of 3865342664 is about 62171.8800101782. The cubic root of 3865342664 is about 1569.3844076650.

The spelling of 3865342664 in words is "three billion, eight hundred sixty-five million, three hundred forty-two thousand, six hundred sixty-four".