649130958 has 48 divisors (see below), whose sum is σ = 1701928800. Its totient is φ = 174555648.

The previous prime is 649130947. The next prime is 649130987. The reversal of 649130958 is 859031946.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149383 + ... + 153666.

It is an arithmetic number, because the mean of its divisors is an integer number (35456850).

Almost surely, 2^649130958 is an apocalyptic number.

649130958 is an abundant number, since it is smaller than the sum of its proper divisors (1052797842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649130958 is a wasteful number, since it uses less digits than its factorization.

649130958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303081 (or 303078 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 649130958 is about 25478.0485516454. The cubic root of 649130958 is about 865.8528828240.

The spelling of 649130958 in words is "six hundred forty-nine million, one hundred thirty thousand, nine hundred fifty-eight".