18383403501739 has 2 divisors, whose sum is σ = 18383403501740. Its totient is φ = 18383403501738.

The previous prime is 18383403501703. The next prime is 18383403501769. The reversal of 18383403501739 is 93710530438381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18383403501739 - 2¹¹ = 18383403499691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18383403501739.

It is not a weakly prime, because it can be changed into another prime (18383403501769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9191701750869 + 9191701750870.

It is an arithmetic number, because the mean of its divisors is an integer number (9191701750870).

Almost surely, 2^{18383403501739} is an apocalyptic number.

18383403501739 is a deficient number, since it is larger than the sum of its proper divisors (1).

18383403501739 is an equidigital number, since it uses as much as digits as its factorization.

18383403501739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 18383403501739 in words is "eighteen trillion, three hundred eighty-three billion, four hundred three million, five hundred one thousand, seven hundred thirty-nine".