18747932453 has 8 divisors (see below), whose sum is σ = 20069152800. Its totient is φ = 17460160848.

The previous prime is 18747932407. The next prime is 18747932461. The reversal of 18747932453 is 35423974781.

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 18747932453 - 2¹⁰ = 18747931429 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 18747932395 and 18747932404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18747932473) 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, 8361026 + ... + 8363267.

It is an arithmetic number, because the mean of its divisors is an integer number (2508644100).

Almost surely, 2^18747932453 is an apocalyptic number.

It is an amenable number.

18747932453 is a deficient number, since it is larger than the sum of its proper divisors (1321220347).

18747932453 is a wasteful number, since it uses less digits than its factorization.

18747932453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16724371.

The product of its digits is 5080320, while the sum is 53.

The spelling of 18747932453 in words is "eighteen billion, seven hundred forty-seven million, nine hundred thirty-two thousand, four hundred fifty-three".