1669134319 has 2 divisors, whose sum is σ = 1669134320. Its totient is φ = 1669134318.

The previous prime is 1669134301. The next prime is 1669134347. The reversal of 1669134319 is 9134319661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1669134319 - 2²¹ = 1667037167 is a prime.

It is a super-2 number, since 2×1669134319² = 5572018749727187522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1669134349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 834567159 + 834567160.

It is an arithmetic number, because the mean of its divisors is an integer number (834567160).

Almost surely, 2^1669134319 is an apocalyptic number.

1669134319 is a deficient number, since it is larger than the sum of its proper divisors (1).

1669134319 is an equidigital number, since it uses as much as digits as its factorization.

1669134319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 43.

The square root of 1669134319 is about 40855.0403132833. The cubic root of 1669134319 is about 1186.2159580179.

The spelling of 1669134319 in words is "one billion, six hundred sixty-nine million, one hundred thirty-four thousand, three hundred nineteen".