641005355335 has 16 divisors (see below), whose sum is σ = 810161112960. Its totient is φ = 485532502560.

The previous prime is 641005355321. The next prime is 641005355363. The reversal of 641005355335 is 533553500146.

641005355335 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-641005355335 is a prime.

It is a super-2 number, since 2×641005355335² (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 15 ways as a sum of consecutive naturals, for example, 1794361 + ... + 2121730.

It is an arithmetic number, because the mean of its divisors is an integer number (50635069560).

Almost surely, 2^641005355335 is an apocalyptic number.

641005355335 is a deficient number, since it is larger than the sum of its proper divisors (169155757625).

641005355335 is a wasteful number, since it uses less digits than its factorization.

641005355335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3917838.

The product of its (nonzero) digits is 405000, while the sum is 40.

The spelling of 641005355335 in words is "six hundred forty-one billion, five million, three hundred fifty-five thousand, three hundred thirty-five".