27143730499 has 2 divisors, whose sum is σ = 27143730500. Its totient is φ = 27143730498.

The previous prime is 27143730437. The next prime is 27143730553. The reversal of 27143730499 is 99403734172.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27143730499 - 2²¹ = 27141633347 is a prime.

It is not a weakly prime, because it can be changed into another prime (27143730599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13571865249 + 13571865250.

It is an arithmetic number, because the mean of its divisors is an integer number (13571865250).

Almost surely, 2^27143730499 is an apocalyptic number.

27143730499 is a deficient number, since it is larger than the sum of its proper divisors (1).

27143730499 is an equidigital number, since it uses as much as digits as its factorization.

27143730499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 27143730499 in words is "twenty-seven billion, one hundred forty-three million, seven hundred thirty thousand, four hundred ninety-nine".