649125104 has 10 divisors (see below), whose sum is σ = 1257679920. Its totient is φ = 324562544.

The previous prime is 649125091. The next prime is 649125107. The reversal of 649125104 is 401521946.

649125104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649125107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20285144 + ... + 20285175.

It is an arithmetic number, because the mean of its divisors is an integer number (125767992).

Almost surely, 2^649125104 is an apocalyptic number.

It is an amenable number.

649125104 is a deficient number, since it is larger than the sum of its proper divisors (608554816).

649125104 is a wasteful number, since it uses less digits than its factorization.

649125104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40570327 (or 40570321 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 649125104 is about 25477.9336681765. The cubic root of 649125104 is about 865.8502800015.

The spelling of 649125104 in words is "six hundred forty-nine million, one hundred twenty-five thousand, one hundred four".