18273759097 has 16 divisors (see below), whose sum is σ = 20553576192. Its totient is φ = 16100536320.

The previous prime is 18273759089. The next prime is 18273759113. The reversal of 18273759097 is 79095737281.

It is not a de Polignac number, because 18273759097 - 2³ = 18273759089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18273759037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17248 + ... + 191950.

It is an arithmetic number, because the mean of its divisors is an integer number (1284598512).

Almost surely, 2^18273759097 is an apocalyptic number.

It is an amenable number.

18273759097 is a deficient number, since it is larger than the sum of its proper divisors (2279817095).

18273759097 is a wasteful number, since it uses less digits than its factorization.

18273759097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175008.

The product of its (nonzero) digits is 6667920, while the sum is 58.

The spelling of 18273759097 in words is "eighteen billion, two hundred seventy-three million, seven hundred fifty-nine thousand, ninety-seven".