18032843253 has 32 divisors (see below), whose sum is σ = 24458526720. Its totient is φ = 11816985600.

The previous prime is 18032843233. The next prime is 18032843273. The reversal of 18032843253 is 35234823081.

It is an interprime number because it is at equal distance from previous prime (18032843233) and next prime (18032843273).

It is not a de Polignac number, because 18032843253 - 2³⁴ = 852974069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18032843233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20895100 + ... + 20895962.

It is an arithmetic number, because the mean of its divisors is an integer number (764328960).

Almost surely, 2^18032843253 is an apocalyptic number.

It is an amenable number.

18032843253 is a deficient number, since it is larger than the sum of its proper divisors (6425683467).

18032843253 is a wasteful number, since it uses less digits than its factorization.

18032843253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1449.

The product of its (nonzero) digits is 138240, while the sum is 39.

The spelling of 18032843253 in words is "eighteen billion, thirty-two million, eight hundred forty-three thousand, two hundred fifty-three".