18325792829 has 4 divisors (see below), whose sum is σ = 18328080480. Its totient is φ = 18323505180.

The previous prime is 18325792783. The next prime is 18325792841. The reversal of 18325792829 is 92829752381.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92829752381 = 577 ⋅160883453.

It is a cyclic number.

It is not a de Polignac number, because 18325792829 - 2¹⁶ = 18325727293 is a prime.

It is a super-2 number, since 2×18325792829² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18325792729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131767 + ... + 1147844.

It is an arithmetic number, because the mean of its divisors is an integer number (4582020120).

Almost surely, 2^18325792829 is an apocalyptic number.

It is an amenable number.

18325792829 is a deficient number, since it is larger than the sum of its proper divisors (2287651).

18325792829 is an equidigital number, since it uses as much as digits as its factorization.

18325792829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287650.

The product of its digits is 4354560, while the sum is 56.

The spelling of 18325792829 in words is "eighteen billion, three hundred twenty-five million, seven hundred ninety-two thousand, eight hundred twenty-nine".