18904475714290 has 8 divisors (see below), whose sum is σ = 34028056285740. Its totient is φ = 7561790285712.

The previous prime is 18904475714269. The next prime is 18904475714297. The reversal of 18904475714290 is 9241757440981.

It can be written as a sum of positive squares in 2 ways, for example, as 17688442412169 + 1216033302121 = 4205763^2 + 1102739^2 .

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

It is not an unprimeable number, because it can be changed into a prime (18904475714297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945223785705 + ... + 945223785724.

Almost surely, 2^{18904475714290} is an apocalyptic number.

18904475714290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18904475714290 is a deficient number, since it is larger than the sum of its proper divisors (15123580571450).

18904475714290 is a wasteful number, since it uses less digits than its factorization.

18904475714290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890447571436.

The product of its (nonzero) digits is 20321280, while the sum is 61.

The spelling of 18904475714290 in words is "eighteen trillion, nine hundred four billion, four hundred seventy-five million, seven hundred fourteen thousand, two hundred ninety".