18276702749 has 2 divisors, whose sum is σ = 18276702750. Its totient is φ = 18276702748.

The previous prime is 18276702733. The next prime is 18276702811. The reversal of 18276702749 is 94720767281.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11150304025 + 7126398724 = 105595^2 + 84418^2 .

It is a cyclic number.

It is not a de Polignac number, because 18276702749 - 2⁴ = 18276702733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18276702749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18276702149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9138351374 + 9138351375.

It is an arithmetic number, because the mean of its divisors is an integer number (9138351375).

Almost surely, 2^18276702749 is an apocalyptic number.

It is an amenable number.

18276702749 is a deficient number, since it is larger than the sum of its proper divisors (1).

18276702749 is an equidigital number, since it uses as much as digits as its factorization.

18276702749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 53.

The spelling of 18276702749 in words is "eighteen billion, two hundred seventy-six million, seven hundred two thousand, seven hundred forty-nine".