18296703493 has 2 divisors, whose sum is σ = 18296703494. Its totient is φ = 18296703492.

The previous prime is 18296703401. The next prime is 18296703511. The reversal of 18296703493 is 39430769281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16991904609 + 1304798884 = 130353^2 + 36122^2 .

It is a cyclic number.

It is not a de Polignac number, because 18296703493 - 2¹⁷ = 18296572421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18296703493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18296707493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9148351746 + 9148351747.

It is an arithmetic number, because the mean of its divisors is an integer number (9148351747).

Almost surely, 2^18296703493 is an apocalyptic number.

It is an amenable number.

18296703493 is a deficient number, since it is larger than the sum of its proper divisors (1).

18296703493 is an equidigital number, since it uses as much as digits as its factorization.

18296703493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 18296703493 in words is "eighteen billion, two hundred ninety-six million, seven hundred three thousand, four hundred ninety-three".