641143005754 has 16 divisors (see below), whose sum is σ = 978094828800. Its totient is φ = 315112285984.

The previous prime is 641143005739. The next prime is 641143005781. The reversal of 641143005754 is 457500341146.

It is a super-2 number, since 2×641143005754² (a number of 24 digits) contains 22 as substring.

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, 1266999 + ... + 1699285.

It is an arithmetic number, because the mean of its divisors is an integer number (61130926800).

Almost surely, 2^641143005754 is an apocalyptic number.

641143005754 is a deficient number, since it is larger than the sum of its proper divisors (336951823046).

641143005754 is a wasteful number, since it uses less digits than its factorization.

641143005754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444917.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 641143005754 in words is "six hundred forty-one billion, one hundred forty-three million, five thousand, seven hundred fifty-four".