2011403983 has 2 divisors, whose sum is σ = 2011403984. Its totient is φ = 2011403982.

The previous prime is 2011403971. The next prime is 2011404013. The reversal of 2011403983 is 3893041102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011403983 - 2⁵ = 2011403951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011413983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005701991 + 1005701992.

It is an arithmetic number, because the mean of its divisors is an integer number (1005701992).

Almost surely, 2^2011403983 is an apocalyptic number.

2011403983 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011403983 is an equidigital number, since it uses as much as digits as its factorization.

2011403983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 2011403983 is about 44848.6787207828. The cubic root of 2011403983 is about 1262.3111991370.

The spelling of 2011403983 in words is "two billion, eleven million, four hundred three thousand, nine hundred eighty-three".