1940319833 has 2 divisors, whose sum is σ = 1940319834. Its totient is φ = 1940319832.

The previous prime is 1940319761. The next prime is 1940319841. The reversal of 1940319833 is 3389130491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1636445209 + 303874624 = 40453^2 + 17432^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940319833 - 2²⁸ = 1671884377 is a prime.

It is not a weakly prime, because it can be changed into another prime (1940319533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970159916 + 970159917.

It is an arithmetic number, because the mean of its divisors is an integer number (970159917).

Almost surely, 2^1940319833 is an apocalyptic number.

It is an amenable number.

1940319833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940319833 is an equidigital number, since it uses as much as digits as its factorization.

1940319833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1940319833 is about 44049.0616585643. The cubic root of 1940319833 is about 1247.2622391501.

The spelling of 1940319833 in words is "one billion, nine hundred forty million, three hundred nineteen thousand, eight hundred thirty-three".