18692472703 has 2 divisors, whose sum is σ = 18692472704. Its totient is φ = 18692472702.

The previous prime is 18692472677. The next prime is 18692472709. The reversal of 18692472703 is 30727429681.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18692472703 - 2⁹ = 18692472191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18692472709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9346236351 + 9346236352.

It is an arithmetic number, because the mean of its divisors is an integer number (9346236352).

Almost surely, 2^18692472703 is an apocalyptic number.

18692472703 is a deficient number, since it is larger than the sum of its proper divisors (1).

18692472703 is an equidigital number, since it uses as much as digits as its factorization.

18692472703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 18692472703 in words is "eighteen billion, six hundred ninety-two million, four hundred seventy-two thousand, seven hundred three".