641841515696 has 20 divisors (see below), whose sum is σ = 1243586280384. Its totient is φ = 320916024000.

The previous prime is 641841515687. The next prime is 641841515699. The reversal of 641841515696 is 696515148146.

It is a happy number.

It is a super-2 number, since 2×641841515696² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641841515699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 992801 + ... + 1506431.

Almost surely, 2^641841515696 is an apocalyptic number.

It is an amenable number.

641841515696 is a deficient number, since it is larger than the sum of its proper divisors (601744764688).

641841515696 is a wasteful number, since it uses less digits than its factorization.

641841515696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591740 (or 591734 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 56.

The spelling of 641841515696 in words is "six hundred forty-one billion, eight hundred forty-one million, five hundred fifteen thousand, six hundred ninety-six".