2149669433 has 2 divisors, whose sum is σ = 2149669434. Its totient is φ = 2149669432.

The previous prime is 2149669411. The next prime is 2149669439. The reversal of 2149669433 is 3349669412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1429444864 + 720224569 = 37808^2 + 26837^2 .

It is a cyclic number.

It is not a de Polignac number, because 2149669433 - 2¹² = 2149665337 is a prime.

It is not a weakly prime, because it can be changed into another prime (2149669439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1074834716 + 1074834717.

It is an arithmetic number, because the mean of its divisors is an integer number (1074834717).

Almost surely, 2^2149669433 is an apocalyptic number.

It is an amenable number.

2149669433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2149669433 is an equidigital number, since it uses as much as digits as its factorization.

2149669433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 839808, while the sum is 47.

The square root of 2149669433 is about 46364.5277448180. The cubic root of 2149669433 is about 1290.5967299105.

The spelling of 2149669433 in words is "two billion, one hundred forty-nine million, six hundred sixty-nine thousand, four hundred thirty-three".