18234079153 has 4 divisors (see below), whose sum is σ = 18329545728. Its totient is φ = 18138612580.

The previous prime is 18234079111. The next prime is 18234079169. The reversal of 18234079153 is 35197043281.

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: 35197043281 = 1787 ⋅19696163.

It is a cyclic number.

It is not a de Polignac number, because 18234079153 - 2⁹ = 18234078641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18234071153) 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, 47733001 + ... + 47733382.

It is an arithmetic number, because the mean of its divisors is an integer number (4582386432).

Almost surely, 2^18234079153 is an apocalyptic number.

It is an amenable number.

18234079153 is a deficient number, since it is larger than the sum of its proper divisors (95466575).

18234079153 is an equidigital number, since it uses as much as digits as its factorization.

18234079153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95466574.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 18234079153 in words is "eighteen billion, two hundred thirty-four million, seventy-nine thousand, one hundred fifty-three".