818811936923 has 8 divisors (see below), whose sum is σ = 824838336000. Its totient is φ = 812792618368.

The previous prime is 818811936883. The next prime is 818811937001. The reversal of 818811936923 is 329639118818.

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 818811936923 - 2¹⁶ = 818811871387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (818811936223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537883 + ... + 2000676.

It is an arithmetic number, because the mean of its divisors is an integer number (103104792000).

Almost surely, 2^818811936923 is an apocalyptic number.

818811936923 is a deficient number, since it is larger than the sum of its proper divisors (6026399077).

818811936923 is a wasteful number, since it uses less digits than its factorization.

818811936923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3540261.

The product of its digits is 4478976, while the sum is 59.

The spelling of 818811936923 in words is "eight hundred eighteen billion, eight hundred eleven million, nine hundred thirty-six thousand, nine hundred twenty-three".