641793059 has 4 divisors (see below), whose sum is σ = 653902416. Its totient is φ = 629683704.

The previous prime is 641793023. The next prime is 641793071. The reversal of 641793059 is 950397146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 641793059 - 2¹² = 641788963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641793359) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6054599 + ... + 6054704.

It is an arithmetic number, because the mean of its divisors is an integer number (163475604).

Almost surely, 2^641793059 is an apocalyptic number.

641793059 is a deficient number, since it is larger than the sum of its proper divisors (12109357).

641793059 is a wasteful number, since it uses less digits than its factorization.

641793059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109356.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 641793059 is about 25333.6349346082. The cubic root of 641793059 is about 862.5779231985.

The spelling of 641793059 in words is "six hundred forty-one million, seven hundred ninety-three thousand, fifty-nine".