641650059 has 32 divisors (see below), whose sum is σ = 984238080. Its totient is φ = 412711200.

The previous prime is 641650013. The next prime is 641650069. The reversal of 641650059 is 950056146.

641650059 is a `hidden beast` number, since 641 + 6 + 5 + 0 + 0 + 5 + 9 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-641650059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (641650069) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 331324 + ... + 333254.

It is an arithmetic number, because the mean of its divisors is an integer number (30757440).

Almost surely, 2^641650059 is an apocalyptic number.

641650059 is a deficient number, since it is larger than the sum of its proper divisors (342588021).

641650059 is a wasteful number, since it uses less digits than its factorization.

641650059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368 (or 2362 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 641650059 is about 25330.8124425570. The cubic root of 641650059 is about 862.5138538417.

The spelling of 641650059 in words is "six hundred forty-one million, six hundred fifty thousand, fifty-nine".