18248835353 has 4 divisors (see below), whose sum is σ = 20855811840. Its totient is φ = 15641858868.

The previous prime is 18248835337. The next prime is 18248835389. The reversal of 18248835353 is 35353884281.

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.

It is a cyclic number.

It is not a de Polignac number, because 18248835353 - 2⁴ = 18248835337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18248835313) 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, 1303488233 + ... + 1303488246.

It is an arithmetic number, because the mean of its divisors is an integer number (5213952960).

Almost surely, 2^18248835353 is an apocalyptic number.

It is an amenable number.

18248835353 is a deficient number, since it is larger than the sum of its proper divisors (2606976487).

18248835353 is an equidigital number, since it uses as much as digits as its factorization.

18248835353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2606976486.

The product of its digits is 2764800, while the sum is 50.

The spelling of 18248835353 in words is "eighteen billion, two hundred forty-eight million, eight hundred thirty-five thousand, three hundred fifty-three".