641141322544 has 20 divisors (see below), whose sum is σ = 1242411958224. Its totient is φ = 320518881728.

The previous prime is 641141322499. The next prime is 641141322581. The reversal of 641141322544 is 445223141146.

It is a super-2 number, since 2×641141322544² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3133972 + ... + 3332275.

Almost surely, 2^641141322544 is an apocalyptic number.

It is an amenable number.

641141322544 is a deficient number, since it is larger than the sum of its proper divisors (601270635680).

641141322544 is a wasteful number, since it uses less digits than its factorization.

641141322544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6472452 (or 6472446 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The spelling of 641141322544 in words is "six hundred forty-one billion, one hundred forty-one million, three hundred twenty-two thousand, five hundred forty-four".