2791333949 has 4 divisors (see below), whose sum is σ = 2856248736. Its totient is φ = 2726419164.

The previous prime is 2791333943. The next prime is 2791333991. The reversal of 2791333949 is 9493331972.

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 2791333949 - 2⁴ = 2791333933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2791333897 and 2791333906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2791333943) 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 3 ways as a sum of consecutive naturals, for example, 32457329 + ... + 32457414.

It is an arithmetic number, because the mean of its divisors is an integer number (714062184).

Almost surely, 2^2791333949 is an apocalyptic number.

It is an amenable number.

2791333949 is a deficient number, since it is larger than the sum of its proper divisors (64914787).

2791333949 is an equidigital number, since it uses as much as digits as its factorization.

2791333949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64914786.

The product of its digits is 1102248, while the sum is 50.

The square root of 2791333949 is about 52833.0762780287. The cubic root of 2791333949 is about 1408.0041424758.

The spelling of 2791333949 in words is "two billion, seven hundred ninety-one million, three hundred thirty-three thousand, nine hundred forty-nine".