2836396489 has 4 divisors (see below), whose sum is σ = 2837185156. Its totient is φ = 2835607824.

The previous prime is 2836396469. The next prime is 2836396499. The reversal of 2836396489 is 9846936382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9846936382 = 2 ⋅4923468191.

It can be written as a sum of positive squares in 2 ways, for example, as 493062025 + 2343334464 = 22205^2 + 48408^2 .

It is a cyclic number.

It is not a de Polignac number, because 2836396489 - 2²³ = 2828007881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2836396469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388914 + ... + 396139.

It is an arithmetic number, because the mean of its divisors is an integer number (709296289).

Almost surely, 2^2836396489 is an apocalyptic number.

It is an amenable number.

2836396489 is a deficient number, since it is larger than the sum of its proper divisors (788667).

2836396489 is an equidigital number, since it uses as much as digits as its factorization.

2836396489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788666.

The product of its digits is 13436928, while the sum is 58.

The square root of 2836396489 is about 53257.8303069136. The cubic root of 2836396489 is about 1415.5405442285.

The spelling of 2836396489 in words is "two billion, eight hundred thirty-six million, three hundred ninety-six thousand, four hundred eighty-nine".