641322414245 has 8 divisors (see below), whose sum is σ = 770178439800. Its totient is φ = 512663569600.

The previous prime is 641322414233. The next prime is 641322414253. The reversal of 641322414245 is 542414223146.

It can be written as a sum of positive squares in 4 ways, for example, as 4764174529 + 636558239716 = 69023^2 + 797846^2 .

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

It is not a de Polignac number, because 641322414245 - 2²⁰ = 641321365669 is a prime.

It is a super-2 number, since 2×641322414245² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641322414199 and 641322414208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49288070 + ... + 49301079.

It is an arithmetic number, because the mean of its divisors is an integer number (96272304975).

Almost surely, 2^641322414245 is an apocalyptic number.

It is an amenable number.

641322414245 is a deficient number, since it is larger than the sum of its proper divisors (128856025555).

641322414245 is a wasteful number, since it uses less digits than its factorization.

641322414245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98590455.

The product of its digits is 184320, while the sum is 38.

The spelling of 641322414245 in words is "six hundred forty-one billion, three hundred twenty-two million, four hundred fourteen thousand, two hundred forty-five".