641701926318 has 16 divisors (see below), whose sum is σ = 1284516966096. Its totient is φ = 213715123200.

The previous prime is 641701926289. The next prime is 641701926337. The reversal of 641701926318 is 813629107146.

641701926318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46372233 + ... + 46386068.

It is an arithmetic number, because the mean of its divisors is an integer number (80282310381).

Almost surely, 2^641701926318 is an apocalyptic number.

641701926318 is an abundant number, since it is smaller than the sum of its proper divisors (642815039778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641701926318 is a wasteful number, since it uses less digits than its factorization.

641701926318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92759459.

The product of its (nonzero) digits is 435456, while the sum is 48.

The spelling of 641701926318 in words is "six hundred forty-one billion, seven hundred one million, nine hundred twenty-six thousand, three hundred eighteen".