19020709163 has 2 divisors, whose sum is σ = 19020709164. Its totient is φ = 19020709162.

The previous prime is 19020709157. The next prime is 19020709187. The reversal of 19020709163 is 36190702091.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19020709163 - 2¹⁰ = 19020708139 is a prime.

It is not a weakly prime, because it can be changed into another prime (19020702163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9510354581 + 9510354582.

It is an arithmetic number, because the mean of its divisors is an integer number (9510354582).

Almost surely, 2^19020709163 is an apocalyptic number.

19020709163 is a deficient number, since it is larger than the sum of its proper divisors (1).

19020709163 is an equidigital number, since it uses as much as digits as its factorization.

19020709163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 19020709163 in words is "nineteen billion, twenty million, seven hundred nine thousand, one hundred sixty-three".