18254901947706 has 12 divisors (see below), whose sum is σ = 39552287553402. Its totient is φ = 6084967315896.

The previous prime is 18254901947701. The next prime is 18254901947707. The reversal of 18254901947706 is 60774910945281.

18254901947706 is a `hidden beast` number, since 1 + 8 + 2 + 549 + 0 + 19 + 4 + 7 + 70 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17673960729681 + 580941218025 = 4204041^2 + 762195^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18254901947701) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 507080609641 + ... + 507080609676.

Almost surely, 2^{18254901947706} is an apocalyptic number.

18254901947706 is an abundant number, since it is smaller than the sum of its proper divisors (21297385605696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18254901947706 is a wasteful number, since it uses less digits than its factorization.

18254901947706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014161219325 (or 1014161219322 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 63.

The spelling of 18254901947706 in words is "eighteen trillion, two hundred fifty-four billion, nine hundred one million, nine hundred forty-seven thousand, seven hundred six".