2011854233 has 2 divisors, whose sum is σ = 2011854234. Its totient is φ = 2011854232.

The previous prime is 2011854227. The next prime is 2011854241. The reversal of 2011854233 is 3324581102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2007308809 + 4545424 = 44803^2 + 2132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011854233 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2011854196 and 2011854205.

It is not a weakly prime, because it can be changed into another prime (2011854253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005927116 + 1005927117.

It is an arithmetic number, because the mean of its divisors is an integer number (1005927117).

Almost surely, 2^2011854233 is an apocalyptic number.

It is an amenable number.

2011854233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011854233 is an equidigital number, since it uses as much as digits as its factorization.

2011854233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2011854233 is about 44853.6980972584. The cubic root of 2011854233 is about 1262.4053809819.

The spelling of 2011854233 in words is "two billion, eleven million, eight hundred fifty-four thousand, two hundred thirty-three".