18426186453 has 8 divisors (see below), whose sum is σ = 25861314400. Its totient is φ = 11637591408.

The previous prime is 18426186451. The next prime is 18426186473. The reversal of 18426186453 is 35468162481.

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

It is not a de Polignac number, because 18426186453 - 2¹ = 18426186451 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 (18426186451) 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, 161633158 + ... + 161633271.

It is an arithmetic number, because the mean of its divisors is an integer number (3232664300).

Almost surely, 2^18426186453 is an apocalyptic number.

It is an amenable number.

18426186453 is a deficient number, since it is larger than the sum of its proper divisors (7435127947).

18426186453 is a wasteful number, since it uses less digits than its factorization.

18426186453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323266451.

The product of its digits is 1105920, while the sum is 48.

The spelling of 18426186453 in words is "eighteen billion, four hundred twenty-six million, one hundred eighty-six thousand, four hundred fifty-three".