18097679935205 has 16 divisors (see below), whose sum is σ = 23426685804144. Its totient is φ = 13342203532800.

The previous prime is 18097679935183. The next prime is 18097679935259. The reversal of 18097679935205 is 50253997679081.

It can be written as a sum of positive squares in 8 ways, for example, as 94647907201 + 18003032028004 = 307649^2 + 4242998^2 .

It is not a de Polignac number, because 18097679935205 - 2²⁰ = 18097678886629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231596414 + ... + 231674543.

It is an arithmetic number, because the mean of its divisors is an integer number (1464167862759).

Almost surely, 2^{18097679935205} is an apocalyptic number.

It is an amenable number.

18097679935205 is a deficient number, since it is larger than the sum of its proper divisors (5329005868939).

18097679935205 is a wasteful number, since it uses less digits than its factorization.

18097679935205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463271576.

The product of its (nonzero) digits is 257191200, while the sum is 71.

The spelling of 18097679935205 in words is "eighteen trillion, ninety-seven billion, six hundred seventy-nine million, nine hundred thirty-five thousand, two hundred five".