641430045373263 has 32 divisors (see below), whose sum is σ = 905739585085440. Its totient is φ = 402645127574880.

The previous prime is 641430045373193. The next prime is 641430045373267. The reversal of 641430045373263 is 362373540034146.

It is not a de Polignac number, because 641430045373263 - 2⁹ = 641430045372751 is a prime.

It is a super-2 number, since 2×641430045373263² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641430045373267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86201206 + ... + 93346172.

It is an arithmetic number, because the mean of its divisors is an integer number (28304362033920).

Almost surely, 2^{641430045373263} is an apocalyptic number.

641430045373263 is a deficient number, since it is larger than the sum of its proper divisors (264309539712177).

641430045373263 is a wasteful number, since it uses less digits than its factorization.

641430045373263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7154587.

The product of its (nonzero) digits is 13063680, while the sum is 51.

The spelling of 641430045373263 in words is "six hundred forty-one trillion, four hundred thirty billion, forty-five million, three hundred seventy-three thousand, two hundred sixty-three".