1669041433 has 2 divisors, whose sum is σ = 1669041434. Its totient is φ = 1669041432.

The previous prime is 1669041427. The next prime is 1669041469. The reversal of 1669041433 is 3341409661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1539149824 + 129891609 = 39232^2 + 11397^2 .

It is a cyclic number.

It is not a de Polignac number, because 1669041433 - 2⁵ = 1669041401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1669041392 and 1669041401.

It is not a weakly prime, because it can be changed into another prime (1669041133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834520716 + 834520717.

It is an arithmetic number, because the mean of its divisors is an integer number (834520717).

Almost surely, 2^1669041433 is an apocalyptic number.

It is an amenable number.

1669041433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1669041433 is an equidigital number, since it uses as much as digits as its factorization.

1669041433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 1669041433 is about 40853.9035221850. The cubic root of 1669041433 is about 1186.1939536175.

The spelling of 1669041433 in words is "one billion, six hundred sixty-nine million, forty-one thousand, four hundred thirty-three".