18073737499 has 2 divisors, whose sum is σ = 18073737500. Its totient is φ = 18073737498.

The previous prime is 18073737481. The next prime is 18073737509. The reversal of 18073737499 is 99473737081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18073737499 - 2¹³ = 18073729307 is a prime.

It is not a weakly prime, because it can be changed into another prime (18073737419) 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, 9036868749 + 9036868750.

It is an arithmetic number, because the mean of its divisors is an integer number (9036868750).

Almost surely, 2^18073737499 is an apocalyptic number.

18073737499 is a deficient number, since it is larger than the sum of its proper divisors (1).

18073737499 is an equidigital number, since it uses as much as digits as its factorization.

18073737499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 18073737499 in words is "eighteen billion, seventy-three million, seven hundred thirty-seven thousand, four hundred ninety-nine".