2749633229 has 4 divisors (see below), whose sum is σ = 3142437984. Its totient is φ = 2356828476.

The previous prime is 2749633223. The next prime is 2749633253. The reversal of 2749633229 is 9223369472.

It is a happy number.

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 2749633229 - 2⁸ = 2749632973 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749633223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196402367 + ... + 196402380.

It is an arithmetic number, because the mean of its divisors is an integer number (785609496).

Almost surely, 2^2749633229 is an apocalyptic number.

It is an amenable number.

2749633229 is a deficient number, since it is larger than the sum of its proper divisors (392804755).

2749633229 is an equidigital number, since it uses as much as digits as its factorization.

2749633229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392804754.

The product of its digits is 979776, while the sum is 47.

The square root of 2749633229 is about 52436.9452676260. The cubic root of 2749633229 is about 1400.9573772998.

The spelling of 2749633229 in words is "two billion, seven hundred forty-nine million, six hundred thirty-three thousand, two hundred twenty-nine".