2749087933 has 4 divisors (see below), whose sum is σ = 2749546240. Its totient is φ = 2748629628.

The previous prime is 2749087931. The next prime is 2749087963. The reversal of 2749087933 is 3397809472.

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 2749087933 - 2¹ = 2749087931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749087931) 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, 220035 + ... + 232192.

It is an arithmetic number, because the mean of its divisors is an integer number (687386560).

Almost surely, 2^2749087933 is an apocalyptic number.

It is an amenable number.

2749087933 is a deficient number, since it is larger than the sum of its proper divisors (458307).

2749087933 is an equidigital number, since it uses as much as digits as its factorization.

2749087933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458306.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The square root of 2749087933 is about 52431.7454697057. The cubic root of 2749087933 is about 1400.8647604674.

The spelling of 2749087933 in words is "two billion, seven hundred forty-nine million, eighty-seven thousand, nine hundred thirty-three".