19270669819 has 2 divisors, whose sum is σ = 19270669820. Its totient is φ = 19270669818.

The previous prime is 19270669799. The next prime is 19270669829. The reversal of 19270669819 is 91896607291.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19270669819 - 2¹¹ = 19270667771 is a prime.

It is a super-2 number, since 2×19270669819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19270669829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9635334909 + 9635334910.

It is an arithmetic number, because the mean of its divisors is an integer number (9635334910).

Almost surely, 2^19270669819 is an apocalyptic number.

19270669819 is a deficient number, since it is larger than the sum of its proper divisors (1).

19270669819 is an equidigital number, since it uses as much as digits as its factorization.

19270669819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 58.

The spelling of 19270669819 in words is "nineteen billion, two hundred seventy million, six hundred sixty-nine thousand, eight hundred nineteen".