641041499327 has 4 divisors (see below), whose sum is σ = 641045694840. Its totient is φ = 641037303816.

The previous prime is 641041499297. The next prime is 641041499383. The reversal of 641041499327 is 723994140146.

It is a happy number.

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 641041499327 - 2²⁰ = 641040450751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641041499387) 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 3 ways as a sum of consecutive naturals, for example, 1859552 + ... + 2177157.

It is an arithmetic number, because the mean of its divisors is an integer number (160261423710).

Almost surely, 2^641041499327 is an apocalyptic number.

641041499327 is a deficient number, since it is larger than the sum of its proper divisors (4195513).

641041499327 is a wasteful number, since it uses less digits than its factorization.

641041499327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4195512.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 641041499327 in words is "six hundred forty-one billion, forty-one million, four hundred ninety-nine thousand, three hundred twenty-seven".