10491769 has 2 divisors, whose sum is σ = 10491770. Its totient is φ = 10491768.

The previous prime is 10491739. The next prime is 10491773. The reversal of 10491769 is 96719401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9703225 + 788544 = 3115^2 + 888^2 .

It is an emirp because it is prime and its reverse (96719401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10491769 - 2¹⁷ = 10360697 is a prime.

It is a super-2 number, since 2×10491769² = 220154433498722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10491709) 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, 5245884 + 5245885.

It is an arithmetic number, because the mean of its divisors is an integer number (5245885).

Almost surely, 2^10491769 is an apocalyptic number.

It is an amenable number.

10491769 is a deficient number, since it is larger than the sum of its proper divisors (1).

10491769 is an equidigital number, since it uses as much as digits as its factorization.

10491769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 10491769 is about 3239.1000293291. The cubic root of 10491769 is about 218.9187232714.

The spelling of 10491769 in words is "ten million, four hundred ninety-one thousand, seven hundred sixty-nine".