19323869369 has 6 divisors (see below), whose sum is σ = 22478786874. Its totient is φ = 16563316560.

The previous prime is 19323869353. The next prime is 19323869371. The reversal of 19323869369 is 96396832391.

It can be written as a sum of positive squares in only one way, i.e., 19045380025 + 278489344 = 138005^2 + 16688^2 .

It is not a de Polignac number, because 19323869369 - 2⁴ = 19323869353 is a prime.

It is a super-2 number, since 2×19323869369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19323869399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197182292 + ... + 197182389.

It is an arithmetic number, because the mean of its divisors is an integer number (3746464479).

Almost surely, 2^19323869369 is an apocalyptic number.

It is an amenable number.

19323869369 is a deficient number, since it is larger than the sum of its proper divisors (3154917505).

19323869369 is an equidigital number, since it uses as much as digits as its factorization.

19323869369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394364695 (or 394364688 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 59.

The spelling of 19323869369 in words is "nineteen billion, three hundred twenty-three million, eight hundred sixty-nine thousand, three hundred sixty-nine".