641829855743 has 8 divisors (see below), whose sum is σ = 645105024000. Its totient is φ = 638555186808.

The previous prime is 641829855727. The next prime is 641829855763. The reversal of 641829855743 is 347558928146.

641829855743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 641829855743 - 2⁴ = 641829855727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641829855703) 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, 2604230 + ... + 2840012.

It is an arithmetic number, because the mean of its divisors is an integer number (80638128000).

Almost surely, 2^641829855743 is an apocalyptic number.

641829855743 is a deficient number, since it is larger than the sum of its proper divisors (3275168257).

641829855743 is a wasteful number, since it uses less digits than its factorization.

641829855743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249661.

The product of its digits is 58060800, while the sum is 62.

The spelling of 641829855743 in words is "six hundred forty-one billion, eight hundred twenty-nine million, eight hundred fifty-five thousand, seven hundred forty-three".