3626579649 has 32 divisors (see below), whose sum is σ = 6032517120. Its totient is φ = 1882713600.

The previous prime is 3626579611. The next prime is 3626579653. The reversal of 3626579649 is 9469756263.

It is not a de Polignac number, because 3626579649 - 2⁷ = 3626579521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3626579669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432204 + ... + 440514.

It is an arithmetic number, because the mean of its divisors is an integer number (188516160).

Almost surely, 2^3626579649 is an apocalyptic number.

It is an amenable number.

3626579649 is a deficient number, since it is larger than the sum of its proper divisors (2405937471).

3626579649 is a wasteful number, since it uses less digits than its factorization.

3626579649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221.

The product of its digits is 14696640, while the sum is 57.

The square root of 3626579649 is about 60221.0897360717. The cubic root of 3626579649 is about 1536.3815152532.

The spelling of 3626579649 in words is "three billion, six hundred twenty-six million, five hundred seventy-nine thousand, six hundred forty-nine".