649624426946 has 64 divisors (see below), whose sum is σ = 1135168598016. Its totient is φ = 275867961600.

The previous prime is 649624426939. The next prime is 649624426951.

649624426946 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11649146 + ... + 11704778.

It is an arithmetic number, because the mean of its divisors is an integer number (17737009344).

Almost surely, 2^649624426946 is an apocalyptic number.

649624426946 is a deficient number, since it is larger than the sum of its proper divisors (485544171070).

649624426946 is a wasteful number, since it uses less digits than its factorization.

649624426946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56207.

The product of its digits is 107495424, while the sum is 62.

It can be divided in two parts, 6496 and 24426946, that added together give a palindrome (24433442).

The spelling of 649624426946 in words is "six hundred forty-nine billion, six hundred twenty-four million, four hundred twenty-six thousand, nine hundred forty-six".