641524152543 has 8 divisors (see below), whose sum is σ = 860813725488. Its totient is φ = 424958673984.

The previous prime is 641524152487. The next prime is 641524152559. The reversal of 641524152543 is 345251425146.

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

It is not a de Polignac number, because 641524152543 - 2¹⁰ = 641524151519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 641524152495 and 641524152504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641524152443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681023046 + ... + 681023987.

It is an arithmetic number, because the mean of its divisors is an integer number (107601715686).

Almost surely, 2^641524152543 is an apocalyptic number.

641524152543 is a deficient number, since it is larger than the sum of its proper divisors (219289572945).

641524152543 is a wasteful number, since it uses less digits than its factorization.

641524152543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362047193.

The product of its digits is 576000, while the sum is 42.

Adding to 641524152543 its reverse (345251425146), we get a palindrome (986775577689).

The spelling of 641524152543 in words is "six hundred forty-one billion, five hundred twenty-four million, one hundred fifty-two thousand, five hundred forty-three".