641363626 has 8 divisors (see below), whose sum is σ = 962226720. Its totient is φ = 320621388.

The previous prime is 641363621. The next prime is 641363627. The reversal of 641363626 is 626363146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×641363626² = 822694601511735752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641363621) 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, 15516 + ... + 39031.

It is an arithmetic number, because the mean of its divisors is an integer number (120278340).

Almost surely, 2^641363626 is an apocalyptic number.

641363626 is a deficient number, since it is larger than the sum of its proper divisors (320863094).

641363626 is a wasteful number, since it uses less digits than its factorization.

641363626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60428.

The product of its digits is 93312, while the sum is 37.

The square root of 641363626 is about 25325.1579659437. The cubic root of 641363626 is about 862.3854924929.

The spelling of 641363626 in words is "six hundred forty-one million, three hundred sixty-three thousand, six hundred twenty-six".