641450373 has 8 divisors (see below), whose sum is σ = 855395136. Its totient is φ = 427569600.

The previous prime is 641450363. The next prime is 641450377. The reversal of 641450373 is 373054146.

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

It is not a de Polignac number, because 641450373 - 2¹⁶ = 641384837 is a prime.

It is a super-2 number, since 2×641450373² = 822917162043678258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641450377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17293 + ... + 39773.

It is an arithmetic number, because the mean of its divisors is an integer number (106924392).

Almost surely, 2^641450373 is an apocalyptic number.

It is an amenable number.

641450373 is a deficient number, since it is larger than the sum of its proper divisors (213944763).

641450373 is a wasteful number, since it uses less digits than its factorization.

641450373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31995.

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 641450373 is about 25326.8705725757. The cubic root of 641450373 is about 862.4243711044.

The spelling of 641450373 in words is "six hundred forty-one million, four hundred fifty thousand, three hundred seventy-three".