18832961478053 has 4 divisors (see below), whose sum is σ = 18833219039628. Its totient is φ = 18832703916480.

The previous prime is 18832961478049. The next prime is 18832961478167. The reversal of 18832961478053 is 35087416923881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6611239140289 + 12221722337764 = 2571233^2 + 3495958^2 .

It is a cyclic number.

It is not a de Polignac number, because 18832961478053 - 2² = 18832961478049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18832961478013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128671076 + ... + 128817357.

It is an arithmetic number, because the mean of its divisors is an integer number (4708304759907).

It is a 1-persistent number, because it is pandigital, but 2⋅18832961478053 = 37665922956106 is not.

Almost surely, 2^{18832961478053} is an apocalyptic number.

It is an amenable number.

18832961478053 is a deficient number, since it is larger than the sum of its proper divisors (257561575).

18832961478053 is an equidigital number, since it uses as much as digits as its factorization.

18832961478053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257561574.

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 18832961478053 in words is "eighteen trillion, eight hundred thirty-two billion, nine hundred sixty-one million, four hundred seventy-eight thousand, fifty-three".