183923472769 has 3 divisors (see below), whose sum is σ = 183923901633. Its totient is φ = 183923043906.

The previous prime is 183923472751. The next prime is 183923472773. The reversal of 183923472769 is 967274329381.

The square root of 183923472769 is 428863.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 967274329381 = 59 ⋅16394480159.

It is not a de Polignac number, because 183923472769 - 2¹⁷ = 183923341697 is a prime.

It is a super-2 number, since 2×183923472769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (183923472779) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 214432 + ... + 643294.

It is an arithmetic number, because the mean of its divisors is an integer number (61307967211).

Almost surely, 2^183923472769 is an apocalyptic number.

183923472769 is the 428863-rd square number.

183923472769 is the 214432-nd centered octagonal number.

It is an amenable number.

183923472769 is a deficient number, since it is larger than the sum of its proper divisors (428864).

183923472769 is an frugal number, since it uses more digits than its factorization.

183923472769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857726 (or 428863 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 61.

The spelling of 183923472769 in words is "one hundred eighty-three billion, nine hundred twenty-three million, four hundred seventy-two thousand, seven hundred sixty-nine".