106919009 has 2 divisors, whose sum is σ = 106919010. Its totient is φ = 106919008.

The previous prime is 106919003. The next prime is 106919039. The reversal of 106919009 is 900919601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94633984 + 12285025 = 9728^2 + 3505^2 .

It is an emirp because it is prime and its reverse (900919601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-106919009 is a prime.

It is a super-2 number, since 2×106919009² = 22863348971084162, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 106919009.

It is not a weakly prime, because it can be changed into another prime (106919003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53459504 + 53459505.

It is an arithmetic number, because the mean of its divisors is an integer number (53459505).

Almost surely, 2^106919009 is an apocalyptic number.

It is an amenable number.

106919009 is a deficient number, since it is larger than the sum of its proper divisors (1).

106919009 is an equidigital number, since it uses as much as digits as its factorization.

106919009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 35.

The square root of 106919009 is about 10340.1648439471. The cubic root of 106919009 is about 474.6261272237.

The spelling of 106919009 in words is "one hundred six million, nine hundred nineteen thousand, nine".