19069602817 has 2 divisors, whose sum is σ = 19069602818. Its totient is φ = 19069602816.

The previous prime is 19069602803. The next prime is 19069602883. The reversal of 19069602817 is 71820696091.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10670063616 + 8399539201 = 103296^2 + 91649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19069602817 is a prime.

It is not a weakly prime, because it can be changed into another prime (19069602217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9534801408 + 9534801409.

It is an arithmetic number, because the mean of its divisors is an integer number (9534801409).

Almost surely, 2^19069602817 is an apocalyptic number.

It is an amenable number.

19069602817 is a deficient number, since it is larger than the sum of its proper divisors (1).

19069602817 is an equidigital number, since it uses as much as digits as its factorization.

19069602817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 49.

The spelling of 19069602817 in words is "nineteen billion, sixty-nine million, six hundred two thousand, eight hundred seventeen".