2249809899 has 8 divisors (see below), whose sum is σ = 3000003072. Its totient is φ = 1499745000.

The previous prime is 2249809871. The next prime is 2249809957. The reversal of 2249809899 is 9989089422.

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

It is not a de Polignac number, because 2249809899 - 2¹³ = 2249801707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2249809829) 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, 21774 + ... + 70524.

It is an arithmetic number, because the mean of its divisors is an integer number (375000384).

Almost surely, 2^2249809899 is an apocalyptic number.

2249809899 is a deficient number, since it is larger than the sum of its proper divisors (750193173).

2249809899 is a wasteful number, since it uses less digits than its factorization.

2249809899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64137.

The product of its (nonzero) digits is 6718464, while the sum is 60.

The square root of 2249809899 is about 47432.1610197132. The cubic root of 2249809899 is about 1310.3337919495. Note that the first 3 decimals are identical.

The spelling of 2249809899 in words is "two billion, two hundred forty-nine million, eight hundred nine thousand, eight hundred ninety-nine".