641613356619 has 16 divisors (see below), whose sum is σ = 878373926304. Its totient is φ = 416345702400.

The previous prime is 641613356557. The next prime is 641613356633. The reversal of 641613356619 is 916653316146.

641613356619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 641613356619 - 2²⁵ = 641579802187 is a prime.

It is a super-2 number, since 2×641613356619² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641613351619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5970262 + ... + 6076779.

It is an arithmetic number, because the mean of its divisors is an integer number (54898370394).

Almost surely, 2^641613356619 is an apocalyptic number.

641613356619 is a deficient number, since it is larger than the sum of its proper divisors (236760569685).

641613356619 is a wasteful number, since it uses less digits than its factorization.

641613356619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12047518.

The product of its digits is 2099520, while the sum is 51.

The spelling of 641613356619 in words is "six hundred forty-one billion, six hundred thirteen million, three hundred fifty-six thousand, six hundred nineteen".