10690549 has 2 divisors, whose sum is σ = 10690550. Its totient is φ = 10690548.

The previous prime is 10690529. The next prime is 10690571. The reversal of 10690549 is 94509601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8162449 + 2528100 = 2857^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 10690549 - 2¹⁷ = 10559477 is a prime.

It is a super-2 number, since 2×10690549² = 228575675842802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10690529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5345274 + 5345275.

It is an arithmetic number, because the mean of its divisors is an integer number (5345275).

Almost surely, 2^10690549 is an apocalyptic number.

It is an amenable number.

10690549 is a deficient number, since it is larger than the sum of its proper divisors (1).

10690549 is an equidigital number, since it uses as much as digits as its factorization.

10690549 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 10690549 is about 3269.6405001162. The cubic root of 10690549 is about 220.2926477325.

The spelling of 10690549 in words is "ten million, six hundred ninety thousand, five hundred forty-nine".