641142054653 has 8 divisors (see below), whose sum is σ = 700754883840. Its totient is φ = 583962402240.

The previous prime is 641142054629. The next prime is 641142054671. The reversal of 641142054653 is 356450241146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641142054653 is a prime.

It is a super-2 number, since 2×641142054653² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 641142054653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641142054253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 608293643 + ... + 608294696.

It is an arithmetic number, because the mean of its divisors is an integer number (87594360480).

Almost surely, 2^641142054653 is an apocalyptic number.

It is an amenable number.

641142054653 is a deficient number, since it is larger than the sum of its proper divisors (59612829187).

641142054653 is a wasteful number, since it uses less digits than its factorization.

641142054653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216588387.

The product of its (nonzero) digits is 345600, while the sum is 41.

Adding to 641142054653 its reverse (356450241146), we get a palindrome (997592295799).

The spelling of 641142054653 in words is "six hundred forty-one billion, one hundred forty-two million, fifty-four thousand, six hundred fifty-three".