18540900795 has 8 divisors (see below), whose sum is σ = 29665441296. Its totient is φ = 9888480416.

The previous prime is 18540900793. The next prime is 18540900809. The reversal of 18540900795 is 59700904581.

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 18540900795 - 2¹ = 18540900793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18540900793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 618030012 + ... + 618030041.

It is an arithmetic number, because the mean of its divisors is an integer number (3708180162).

Almost surely, 2^18540900795 is an apocalyptic number.

18540900795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

18540900795 is a deficient number, since it is larger than the sum of its proper divisors (11124540501).

18540900795 is a wasteful number, since it uses less digits than its factorization.

18540900795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236060061.

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 18540900795 in words is "eighteen billion, five hundred forty million, nine hundred thousand, seven hundred ninety-five".