2249695309 has 8 divisors (see below), whose sum is σ = 2255139488. Its totient is φ = 2244259440.

The previous prime is 2249695303. The next prime is 2249695321. The reversal of 2249695309 is 9035969422.

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 2249695309 - 2⁷ = 2249695181 is a prime.

It is a super-2 number, since 2×2249695309² = 10122257966673210962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249695303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1131214 + ... + 1133200.

It is an arithmetic number, because the mean of its divisors is an integer number (281892436).

Almost surely, 2^2249695309 is an apocalyptic number.

It is an amenable number.

2249695309 is a deficient number, since it is larger than the sum of its proper divisors (5444179).

2249695309 is a wasteful number, since it uses less digits than its factorization.

2249695309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155.

The product of its (nonzero) digits is 1049760, while the sum is 49.

The square root of 2249695309 is about 47430.9530686450. The cubic root of 2249695309 is about 1310.3115450775.

The spelling of 2249695309 in words is "two billion, two hundred forty-nine million, six hundred ninety-five thousand, three hundred nine".