18774748703 has 2 divisors, whose sum is σ = 18774748704. Its totient is φ = 18774748702.

The previous prime is 18774748691. The next prime is 18774748739. The reversal of 18774748703 is 30784747781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18774748703 - 2¹⁰ = 18774747679 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18774798703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9387374351 + 9387374352.

It is an arithmetic number, because the mean of its divisors is an integer number (9387374352).

Almost surely, 2^18774748703 is an apocalyptic number.

18774748703 is a deficient number, since it is larger than the sum of its proper divisors (1).

18774748703 is an equidigital number, since it uses as much as digits as its factorization.

18774748703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7375872, while the sum is 56.

The spelling of 18774748703 in words is "eighteen billion, seven hundred seventy-four million, seven hundred forty-eight thousand, seven hundred three".