19684714079 has 2 divisors, whose sum is σ = 19684714080. Its totient is φ = 19684714078.

The previous prime is 19684714073. The next prime is 19684714081. The reversal of 19684714079 is 97041748691.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19684714079 - 2²⁴ = 19667936863 is a prime.

Together with 19684714081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19684714073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9842357039 + 9842357040.

It is an arithmetic number, because the mean of its divisors is an integer number (9842357040).

Almost surely, 2^19684714079 is an apocalyptic number.

19684714079 is a deficient number, since it is larger than the sum of its proper divisors (1).

19684714079 is an equidigital number, since it uses as much as digits as its factorization.

19684714079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 56.

The spelling of 19684714079 in words is "nineteen billion, six hundred eighty-four million, seven hundred fourteen thousand, seventy-nine".