2799889039 has 4 divisors (see below), whose sum is σ = 2947251640. Its totient is φ = 2652526440.

The previous prime is 2799888997. The next prime is 2799889087. The reversal of 2799889039 is 9309889972.

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

It is a cyclic number.

It is not a de Polignac number, because 2799889039 - 2⁷ = 2799888911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2799884039) 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, 73681272 + ... + 73681309.

It is an arithmetic number, because the mean of its divisors is an integer number (736812910).

Almost surely, 2^2799889039 is an apocalyptic number.

2799889039 is a deficient number, since it is larger than the sum of its proper divisors (147362601).

2799889039 is a wasteful number, since it uses less digits than its factorization.

2799889039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147362600.

The product of its (nonzero) digits is 17635968, while the sum is 64.

The square root of 2799889039 is about 52913.9777280068. The cubic root of 2799889039 is about 1409.4411277072.

The spelling of 2799889039 in words is "two billion, seven hundred ninety-nine million, eight hundred eighty-nine thousand, thirty-nine".