105490769 has 2 divisors, whose sum is σ = 105490770. Its totient is φ = 105490768.

The previous prime is 105490757. The next prime is 105490789. The reversal of 105490769 is 967094501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54582544 + 50908225 = 7388^2 + 7135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105490769 is a prime.

It is a super-2 number, since 2×105490769² = 22256604688422722, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (105490789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52745384 + 52745385.

It is an arithmetic number, because the mean of its divisors is an integer number (52745385).

Almost surely, 2^105490769 is an apocalyptic number.

It is an amenable number.

105490769 is a deficient number, since it is larger than the sum of its proper divisors (1).

105490769 is an equidigital number, since it uses as much as digits as its factorization.

105490769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 105490769 is about 10270.8699242080. The cubic root of 105490769 is about 472.5032710691.

The spelling of 105490769 in words is "one hundred five million, four hundred ninety thousand, seven hundred sixty-nine".