106819469 has 2 divisors, whose sum is σ = 106819470. Its totient is φ = 106819468.

The previous prime is 106819457. The next prime is 106819523. The reversal of 106819469 is 964918601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103266244 + 3553225 = 10162^2 + 1885^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106819469 is a prime.

It is a super-2 number, since 2×106819469² = 22820797914883922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106819169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53409734 + 53409735.

It is an arithmetic number, because the mean of its divisors is an integer number (53409735).

Almost surely, 2^106819469 is an apocalyptic number.

It is an amenable number.

106819469 is a deficient number, since it is larger than the sum of its proper divisors (1).

106819469 is an equidigital number, since it uses as much as digits as its factorization.

106819469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 106819469 is about 10335.3504536615. The cubic root of 106819469 is about 474.4787915473.

The spelling of 106819469 in words is "one hundred six million, eight hundred nineteen thousand, four hundred sixty-nine".