2747446249 has 4 divisors (see below), whose sum is σ = 2758942080. Its totient is φ = 2735950420.

The previous prime is 2747446243. The next prime is 2747446253. The reversal of 2747446249 is 9426447472.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2747446249 - 2⁵ = 2747446217 is a prime.

It is a super-2 number, since 2×2747446249² = 15096921782288340002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2747446243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5747557 + ... + 5748034.

It is an arithmetic number, because the mean of its divisors is an integer number (689735520).

Almost surely, 2^2747446249 is an apocalyptic number.

It is an amenable number.

2747446249 is a deficient number, since it is larger than the sum of its proper divisors (11495831).

2747446249 is a wasteful number, since it uses less digits than its factorization.

2747446249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11495830.

The product of its digits is 2709504, while the sum is 49.

The square root of 2747446249 is about 52416.0876926159. The cubic root of 2747446249 is about 1400.5858515759.

The spelling of 2747446249 in words is "two billion, seven hundred forty-seven million, four hundred forty-six thousand, two hundred forty-nine".