19082853065 has 4 divisors (see below), whose sum is σ = 22899423684. Its totient is φ = 15266282448.

The previous prime is 19082853037. The next prime is 19082853071. The reversal of 19082853065 is 56035828091.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56035828091 = 137 ⋅409020643.

It can be written as a sum of positive squares in 2 ways, for example, as 4718590864 + 14364262201 = 68692^2 + 119851^2 .

It is a cyclic number.

It is not a de Polignac number, because 19082853065 - 2⁶ = 19082853001 is a prime.

It is a super-2 number, since 2×19082853065² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1908285302 + ... + 1908285311.

It is an arithmetic number, because the mean of its divisors is an integer number (5724855921).

Almost surely, 2^19082853065 is an apocalyptic number.

It is an amenable number.

19082853065 is a deficient number, since it is larger than the sum of its proper divisors (3816570619).

19082853065 is an equidigital number, since it uses as much as digits as its factorization.

19082853065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816570618.

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 19082853065 in words is "nineteen billion, eighty-two million, eight hundred fifty-three thousand, sixty-five".