2011057849 has 4 divisors (see below), whose sum is σ = 2011161600. Its totient is φ = 2010954100.

The previous prime is 2011057847. The next prime is 2011057859. The reversal of 2011057849 is 9487501102.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2011057849 - 2¹ = 2011057847 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011057847) 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, 13177 + ... + 64774.

It is an arithmetic number, because the mean of its divisors is an integer number (502790400).

Almost surely, 2^2011057849 is an apocalyptic number.

It is an amenable number.

2011057849 is a deficient number, since it is larger than the sum of its proper divisors (103751).

2011057849 is an equidigital number, since it uses as much as digits as its factorization.

2011057849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103750.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 2011057849 is about 44844.8196450828. The cubic root of 2011057849 is about 1262.2387863856.

The spelling of 2011057849 in words is "two billion, eleven million, fifty-seven thousand, eight hundred forty-nine".