18700096897 has 4 divisors (see below), whose sum is σ = 18700421040. Its totient is φ = 18699772756.

The previous prime is 18700096889. The next prime is 18700096949. The reversal of 18700096897 is 79869000781.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79869000781 = 5471 ⋅14598611.

It is a cyclic number.

It is not a de Polignac number, because 18700096897 - 2³ = 18700096889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18700096817) 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, 49447 + ... + 199612.

It is an arithmetic number, because the mean of its divisors is an integer number (4675105260).

Almost surely, 2^18700096897 is an apocalyptic number.

It is an amenable number.

18700096897 is a deficient number, since it is larger than the sum of its proper divisors (324143).

18700096897 is an equidigital number, since it uses as much as digits as its factorization.

18700096897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324142.

The product of its (nonzero) digits is 1524096, while the sum is 55.

The spelling of 18700096897 in words is "eighteen billion, seven hundred million, ninety-six thousand, eight hundred ninety-seven".