18132947892413 has 2 divisors, whose sum is σ = 18132947892414. Its totient is φ = 18132947892412.

The previous prime is 18132947892391. The next prime is 18132947892419. The reversal of 18132947892413 is 31429874923181.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11585398335289 + 6547549557124 = 3403733^2 + 2558818^2 .

It is a cyclic number.

It is not a de Polignac number, because 18132947892413 - 2⁴² = 13734901381309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18132947892419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9066473946206 + 9066473946207.

It is an arithmetic number, because the mean of its divisors is an integer number (9066473946207).

Almost surely, 2^{18132947892413} is an apocalyptic number.

It is an amenable number.

18132947892413 is a deficient number, since it is larger than the sum of its proper divisors (1).

18132947892413 is an equidigital number, since it uses as much as digits as its factorization.

18132947892413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 62.

The spelling of 18132947892413 in words is "eighteen trillion, one hundred thirty-two billion, nine hundred forty-seven million, eight hundred ninety-two thousand, four hundred thirteen".