18097191091363 has 2 divisors, whose sum is σ = 18097191091364. Its totient is φ = 18097191091362.

The previous prime is 18097191091351. The next prime is 18097191091381. The reversal of 18097191091363 is 36319019179081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18097191091363 - 2¹³ = 18097191083171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18097191091298 and 18097191091307.

It is not a weakly prime, because it can be changed into another prime (18097191091963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9048595545681 + 9048595545682.

It is an arithmetic number, because the mean of its divisors is an integer number (9048595545682).

Almost surely, 2^{18097191091363} is an apocalyptic number.

18097191091363 is a deficient number, since it is larger than the sum of its proper divisors (1).

18097191091363 is an equidigital number, since it uses as much as digits as its factorization.

18097191091363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 58.

The spelling of 18097191091363 in words is "eighteen trillion, ninety-seven billion, one hundred ninety-one million, ninety-one thousand, three hundred sixty-three".