2796378289 has 4 divisors (see below), whose sum is σ = 2798267940. Its totient is φ = 2794488640.

The previous prime is 2796378259. The next prime is 2796378301. The reversal of 2796378289 is 9828736972.

2796378289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 372490000 + 2423888289 = 19300^2 + 49233^2 .

It is a cyclic number.

It is not a de Polignac number, because 2796378289 - 2¹⁷ = 2796247217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2796378259) 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, 942604 + ... + 945565.

It is an arithmetic number, because the mean of its divisors is an integer number (699566985).

Almost surely, 2^2796378289 is an apocalyptic number.

It is an amenable number.

2796378289 is a deficient number, since it is larger than the sum of its proper divisors (1889651).

2796378289 is a wasteful number, since it uses less digits than its factorization.

2796378289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889650.

The product of its digits is 18289152, while the sum is 61.

The square root of 2796378289 is about 52880.7931956396. The cubic root of 2796378289 is about 1408.8517870851.

The spelling of 2796378289 in words is "two billion, seven hundred ninety-six million, three hundred seventy-eight thousand, two hundred eighty-nine".