641342346652231 has 16 divisors (see below), whose sum is σ = 738510441387328. Its totient is φ = 545574722918400.

The previous prime is 641342346652181. The next prime is 641342346652279. The reversal of 641342346652231 is 132256643243146.

It is a de Polignac number, because none of the positive numbers 2^k-641342346652231 is a prime.

It is a super-2 number, since 2×641342346652231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641342346632231) 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, 563227860 + ... + 564365401.

It is an arithmetic number, because the mean of its divisors is an integer number (46156902586708).

Almost surely, 2^{641342346652231} is an apocalyptic number.

641342346652231 is a deficient number, since it is larger than the sum of its proper divisors (97168094735097).

641342346652231 is a wasteful number, since it uses less digits than its factorization.

641342346652231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1127593882.

The product of its digits is 14929920, while the sum is 52.

Adding to 641342346652231 its reverse (132256643243146), we get a palindrome (773598989895377).

The spelling of 641342346652231 in words is "six hundred forty-one trillion, three hundred forty-two billion, three hundred forty-six million, six hundred fifty-two thousand, two hundred thirty-one".