641284203508014 has 16 divisors (see below), whose sum is σ = 1399165534926720. Its totient is φ = 194328546517560.

The previous prime is 641284203507979. The next prime is 641284203508021. The reversal of 641284203508014 is 410805302482146.

It is a super-2 number, since 2×641284203508014² (a number of 30 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 7 ways as a sum of consecutive naturals, for example, 4858213662874 + ... + 4858213663005.

It is an arithmetic number, because the mean of its divisors is an integer number (87447845932920).

Almost surely, 2^{641284203508014} is an apocalyptic number.

641284203508014 is an abundant number, since it is smaller than the sum of its proper divisors (757881331418706).

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

641284203508014 is a wasteful number, since it uses less digits than its factorization.

641284203508014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716427325895.

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 641284203508014 in words is "six hundred forty-one trillion, two hundred eighty-four billion, two hundred three million, five hundred eight thousand, fourteen".