1669876097 has 2 divisors, whose sum is σ = 1669876098. Its totient is φ = 1669876096.

The previous prime is 1669876093. The next prime is 1669876111. The reversal of 1669876097 is 7906789661.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1506138481 + 163737616 = 38809^2 + 12796^2 .

It is a cyclic number.

It is not a de Polignac number, because 1669876097 - 2² = 1669876093 is a prime.

It is not a weakly prime, because it can be changed into another prime (1669876093) 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, 834938048 + 834938049.

It is an arithmetic number, because the mean of its divisors is an integer number (834938049).

Almost surely, 2^1669876097 is an apocalyptic number.

It is an amenable number.

1669876097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1669876097 is an equidigital number, since it uses as much as digits as its factorization.

1669876097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 59.

The square root of 1669876097 is about 40864.1174748703. The cubic root of 1669876097 is about 1186.3916536019.

The spelling of 1669876097 in words is "one billion, six hundred sixty-nine million, eight hundred seventy-six thousand, ninety-seven".