2856998249 has 8 divisors (see below), whose sum is σ = 3377732160. Its totient is φ = 2364412176.

The previous prime is 2856998233. The next prime is 2856998269. The reversal of 2856998249 is 9428996582.

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

It is not a de Polignac number, because 2856998249 - 2⁴ = 2856998233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2856998191 and 2856998200.

It is not an unprimeable number, because it can be changed into a prime (2856998269) 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, 7036739 + ... + 7037144.

It is an arithmetic number, because the mean of its divisors is an integer number (422216520).

Almost surely, 2^2856998249 is an apocalyptic number.

2856998249 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2856998249 is a deficient number, since it is larger than the sum of its proper divisors (520733911).

2856998249 is a wasteful number, since it uses less digits than its factorization.

2856998249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14073919.

The product of its digits is 22394880, while the sum is 62.

The square root of 2856998249 is about 53450.8956800539. The cubic root of 2856998249 is about 1418.9594719683.

The spelling of 2856998249 in words is "two billion, eight hundred fifty-six million, nine hundred ninety-eight thousand, two hundred forty-nine".