18742603703 has 2 divisors, whose sum is σ = 18742603704. Its totient is φ = 18742603702.

The previous prime is 18742603697. The next prime is 18742603721. The reversal of 18742603703 is 30730624781.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18742603703 - 2⁶ = 18742603639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18742603723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9371301851 + 9371301852.

It is an arithmetic number, because the mean of its divisors is an integer number (9371301852).

Almost surely, 2^18742603703 is an apocalyptic number.

18742603703 is a deficient number, since it is larger than the sum of its proper divisors (1).

18742603703 is an equidigital number, since it uses as much as digits as its factorization.

18742603703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 18742603703 in words is "eighteen billion, seven hundred forty-two million, six hundred three thousand, seven hundred three".