2839634465 has 4 divisors (see below), whose sum is σ = 3407561364. Its totient is φ = 2271707568.

The previous prime is 2839634437. The next prime is 2839634489. The reversal of 2839634465 is 5644369382.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5644369382 = 2 ⋅2822184691.

It can be written as a sum of positive squares in 2 ways, for example, as 1373740096 + 1465894369 = 37064^2 + 38287^2 .

It is a cyclic number.

It is not a de Polignac number, because 2839634465 - 2¹⁶ = 2839568929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 283963442 + ... + 283963451.

It is an arithmetic number, because the mean of its divisors is an integer number (851890341).

Almost surely, 2^2839634465 is an apocalyptic number.

It is an amenable number.

2839634465 is a deficient number, since it is larger than the sum of its proper divisors (567926899).

2839634465 is an equidigital number, since it uses as much as digits as its factorization.

2839634465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567926898.

The product of its digits is 3732480, while the sum is 50.

The square root of 2839634465 is about 53288.2206965104. The cubic root of 2839634465 is about 1416.0789907271.

The spelling of 2839634465 in words is "two billion, eight hundred thirty-nine million, six hundred thirty-four thousand, four hundred sixty-five".