2642944834 has 8 divisors (see below), whose sum is σ = 3972207420. Its totient is φ = 1318875696.

The previous prime is 2642944771. The next prime is 2642944849. The reversal of 2642944834 is 4384492462.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2220765625 + 422179209 = 47125^2 + 20547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 1297089 + ... + 1299124.

Almost surely, 2^2642944834 is an apocalyptic number.

2642944834 is a deficient number, since it is larger than the sum of its proper divisors (1329262586).

2642944834 is a wasteful number, since it uses less digits than its factorization.

2642944834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596724.

The product of its digits is 1327104, while the sum is 46.

The square root of 2642944834 is about 51409.5792046580. The cubic root of 2642944834 is about 1382.5983451780.

The spelling of 2642944834 in words is "two billion, six hundred forty-two million, nine hundred forty-four thousand, eight hundred thirty-four".