18354480893 has 8 divisors (see below), whose sum is σ = 20977543488. Its totient is φ = 15731666784.

The previous prime is 18354480883. The next prime is 18354480901. The reversal of 18354480893 is 39808445381.

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

It is a cyclic number.

It is not a de Polignac number, because 18354480893 - 2⁸ = 18354480637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18354480863) 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, 140030 + ... + 237312.

It is an arithmetic number, because the mean of its divisors is an integer number (2622192936).

Almost surely, 2^18354480893 is an apocalyptic number.

It is an amenable number.

18354480893 is a deficient number, since it is larger than the sum of its proper divisors (2623062595).

18354480893 is an equidigital number, since it uses as much as digits as its factorization.

18354480893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124243.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 18354480893 in words is "eighteen billion, three hundred fifty-four million, four hundred eighty thousand, eight hundred ninety-three".