641262610143 has 24 divisors (see below), whose sum is σ = 950078937600. Its totient is φ = 416627115840.

The previous prime is 641262610133. The next prime is 641262610231. The reversal of 641262610143 is 341016262146.

641262610143 is a `hidden beast` number, since 6 + 4 + 1 + 2 + 626 + 10 + 14 + 3 = 666.

It is not a de Polignac number, because 641262610143 - 2¹⁶ = 641262544607 is a prime.

It is a super-2 number, since 2×641262610143² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 641262610098 and 641262610107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641262610133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4440223 + ... + 4582368.

It is an arithmetic number, because the mean of its divisors is an integer number (39586622400).

Almost surely, 2^641262610143 is an apocalyptic number.

641262610143 is a deficient number, since it is larger than the sum of its proper divisors (308816327457).

641262610143 is a wasteful number, since it uses less digits than its factorization.

641262610143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9022799 (or 9022796 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 641262610143 its reverse (341016262146), we get a palindrome (982278872289).

The spelling of 641262610143 in words is "six hundred forty-one billion, two hundred sixty-two million, six hundred ten thousand, one hundred forty-three".