641733750623 has 8 divisors (see below), whose sum is σ = 733416598560. Its totient is φ = 550052552160.

The previous prime is 641733750547. The next prime is 641733750643. The reversal of 641733750623 is 326057337146.

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

It is a cyclic number.

It is not a de Polignac number, because 641733750623 - 2¹⁰ = 641733749599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641733750643) 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, 580793 + ... + 1273101.

It is an arithmetic number, because the mean of its divisors is an integer number (91677074820).

Almost surely, 2^641733750623 is an apocalyptic number.

641733750623 is a deficient number, since it is larger than the sum of its proper divisors (91682847937).

641733750623 is a wasteful number, since it uses less digits than its factorization.

641733750623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824737.

The product of its (nonzero) digits is 1905120, while the sum is 47.

The spelling of 641733750623 in words is "six hundred forty-one billion, seven hundred thirty-three million, seven hundred fifty thousand, six hundred twenty-three".