105490069 has 2 divisors, whose sum is σ = 105490070. Its totient is φ = 105490068.

The previous prime is 105490067. The next prime is 105490079. The reversal of 105490069 is 960094501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94187025 + 11303044 = 9705^2 + 3362^2 .

It is a cyclic number.

It is not a de Polignac number, because 105490069 - 2¹ = 105490067 is a prime.

It is a super-2 number, since 2×105490069² = 22256309315249522, which contains 22 as substring.

Together with 105490067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105490061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52745034 + 52745035.

It is an arithmetic number, because the mean of its divisors is an integer number (52745035).

Almost surely, 2^105490069 is an apocalyptic number.

It is an amenable number.

105490069 is a deficient number, since it is larger than the sum of its proper divisors (1).

105490069 is an equidigital number, since it uses as much as digits as its factorization.

105490069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 105490069 is about 10270.8358471937. The cubic root of 105490069 is about 472.5022259444.

The spelling of 105490069 in words is "one hundred five million, four hundred ninety thousand, sixty-nine".