264793581823 has 8 divisors (see below), whose sum is σ = 265479112800. Its totient is φ = 264108700128.

The previous prime is 264793581809. The next prime is 264793581883. The reversal of 264793581823 is 328185397462.

It is a happy number.

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 264793581823 - 2³⁷ = 127354628351 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 (264793581883) 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, 659758 + ... + 982276.

It is an arithmetic number, because the mean of its divisors is an integer number (33184889100).

Almost surely, 2^264793581823 is an apocalyptic number.

264793581823 is a deficient number, since it is larger than the sum of its proper divisors (685530977).

264793581823 is a wasteful number, since it uses less digits than its factorization.

264793581823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324641.

The product of its digits is 17418240, while the sum is 58.

The spelling of 264793581823 in words is "two hundred sixty-four billion, seven hundred ninety-three million, five hundred eighty-one thousand, eight hundred twenty-three".