641516995483 has 32 divisors (see below), whose sum is σ = 790918128000. Its totient is φ = 506701301760.

The previous prime is 641516995439. The next prime is 641516995487. The reversal of 641516995483 is 384599615146.

It is a happy number.

641516995483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 641516995483 - 2⁹ = 641516994971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (641516995487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233362393 + ... + 233365141.

It is an arithmetic number, because the mean of its divisors is an integer number (24716191500).

Almost surely, 2^641516995483 is an apocalyptic number.

641516995483 is a deficient number, since it is larger than the sum of its proper divisors (149401132517).

641516995483 is a wasteful number, since it uses less digits than its factorization.

641516995483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6247.

The product of its digits is 27993600, while the sum is 61.

The spelling of 641516995483 in words is "six hundred forty-one billion, five hundred sixteen million, nine hundred ninety-five thousand, four hundred eighty-three".