18097150371 has 4 divisors (see below), whose sum is σ = 24129533832. Its totient is φ = 12064766912.

The previous prime is 18097150363. The next prime is 18097150397. The reversal of 18097150371 is 17305179081.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18097150371 - 2³ = 18097150363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18097250371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3016191726 + ... + 3016191731.

It is an arithmetic number, because the mean of its divisors is an integer number (6032383458).

Almost surely, 2^18097150371 is an apocalyptic number.

18097150371 is a deficient number, since it is larger than the sum of its proper divisors (6032383461).

18097150371 is an equidigital number, since it uses as much as digits as its factorization.

18097150371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032383460.

The product of its (nonzero) digits is 52920, while the sum is 42.

The spelling of 18097150371 in words is "eighteen billion, ninety-seven million, one hundred fifty thousand, three hundred seventy-one".