2799881849 has 8 divisors (see below), whose sum is σ = 2810115072. Its totient is φ = 2789665600.

The previous prime is 2799881783. The next prime is 2799881863. The reversal of 2799881849 is 9481889972.

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

It is a cyclic number.

It is not a de Polignac number, because 2799881849 - 2⁸ = 2799881593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2799881869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 390632 + ... + 397734.

It is an arithmetic number, because the mean of its divisors is an integer number (351264384).

Almost surely, 2^2799881849 is an apocalyptic number.

It is an amenable number.

2799881849 is a deficient number, since it is larger than the sum of its proper divisors (10233223).

2799881849 is an equidigital number, since it uses as much as digits as its factorization.

2799881849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8487.

The product of its digits is 20901888, while the sum is 65.

The square root of 2799881849 is about 52913.9097875029. The cubic root of 2799881849 is about 1409.4399212438.

The spelling of 2799881849 in words is "two billion, seven hundred ninety-nine million, eight hundred eighty-one thousand, eight hundred forty-nine".