18435346053 has 8 divisors (see below), whose sum is σ = 24581233248. Its totient is φ = 12289844784.

The previous prime is 18435346043. The next prime is 18435346093. The reversal of 18435346053 is 35064353481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18435346053 - 2⁴ = 18435346037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18435345996 and 18435346014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18435346043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44350 + ... + 197072.

It is an arithmetic number, because the mean of its divisors is an integer number (3072654156).

Almost surely, 2^18435346053 is an apocalyptic number.

It is an amenable number.

18435346053 is a deficient number, since it is larger than the sum of its proper divisors (6145887195).

18435346053 is a wasteful number, since it uses less digits than its factorization.

18435346053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192963.

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 18435346053 in words is "eighteen billion, four hundred thirty-five million, three hundred forty-six thousand, fifty-three".