16801794709423 has 2 divisors, whose sum is σ = 16801794709424. Its totient is φ = 16801794709422.

The previous prime is 16801794709367. The next prime is 16801794709457. The reversal of 16801794709423 is 32490749710861.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16801794709423 - 2⁹ = 16801794708911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16801794709523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8400897354711 + 8400897354712.

It is an arithmetic number, because the mean of its divisors is an integer number (8400897354712).

Almost surely, 2^{16801794709423} is an apocalyptic number.

16801794709423 is a deficient number, since it is larger than the sum of its proper divisors (1).

16801794709423 is an equidigital number, since it uses as much as digits as its factorization.

16801794709423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 16801794709423 in words is "sixteen trillion, eight hundred one billion, seven hundred ninety-four million, seven hundred nine thousand, four hundred twenty-three".