18096531329 has 2 divisors, whose sum is σ = 18096531330. Its totient is φ = 18096531328.

The previous prime is 18096531319. The next prime is 18096531373. The reversal of 18096531329 is 92313569081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10277904400 + 7818626929 = 101380^2 + 88423^2 .

It is a cyclic number.

It is not a de Polignac number, because 18096531329 - 2⁸ = 18096531073 is a prime.

It is a super-2 number, since 2×18096531329² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18096531319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9048265664 + 9048265665.

It is an arithmetic number, because the mean of its divisors is an integer number (9048265665).

Almost surely, 2^18096531329 is an apocalyptic number.

It is an amenable number.

18096531329 is a deficient number, since it is larger than the sum of its proper divisors (1).

18096531329 is an equidigital number, since it uses as much as digits as its factorization.

18096531329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 349920, while the sum is 47.

The spelling of 18096531329 in words is "eighteen billion, ninety-six million, five hundred thirty-one thousand, three hundred twenty-nine".