641433412454 has 8 divisors (see below), whose sum is σ = 970977184320. Its totient is φ = 317774351016.

The previous prime is 641433412447. The next prime is 641433412489. The reversal of 641433412454 is 454214334146.

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

It is a super-2 number, since 2×641433412454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 1471177334 + ... + 1471177769.

It is an arithmetic number, because the mean of its divisors is an integer number (121372148040).

Almost surely, 2^641433412454 is an apocalyptic number.

641433412454 is a deficient number, since it is larger than the sum of its proper divisors (329543771866).

641433412454 is a wasteful number, since it uses less digits than its factorization.

641433412454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942355214.

The product of its digits is 552960, while the sum is 41.

The spelling of 641433412454 in words is "six hundred forty-one billion, four hundred thirty-three million, four hundred twelve thousand, four hundred fifty-four".