5649881626 has 16 divisors (see below), whose sum is σ = 9262805760. Its totient is φ = 2573000640.

The previous prime is 5649881617. The next prime is 5649881651. The reversal of 5649881626 is 6261889465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2679156 + ... + 2681263.

It is an arithmetic number, because the mean of its divisors is an integer number (578925360).

Almost surely, 2^5649881626 is an apocalyptic number.

5649881626 is a deficient number, since it is larger than the sum of its proper divisors (3612924134).

5649881626 is a wasteful number, since it uses less digits than its factorization.

5649881626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360469.

The product of its digits is 4976640, while the sum is 55.

The square root of 5649881626 is about 75165.6944756050. The cubic root of 5649881626 is about 1781.0650556955.

The spelling of 5649881626 in words is "five billion, six hundred forty-nine million, eight hundred eighty-one thousand, six hundred twenty-six".