10999669 has 2 divisors, whose sum is σ = 10999670. Its totient is φ = 10999668.

The previous prime is 10999661. The next prime is 10999691. The reversal of 10999669 is 96699901.

It is a happy number.

10999669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6441444 + 4558225 = 2538^2 + 2135^2 .

It is an emirp because it is prime and its reverse (96699901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10999669 - 2³ = 10999661 is a prime.

It is a super-2 number, since 2×10999669² = 241985436219122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10999661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5499834 + 5499835.

It is an arithmetic number, because the mean of its divisors is an integer number (5499835).

Almost surely, 2^10999669 is an apocalyptic number.

It is an amenable number.

10999669 is a deficient number, since it is larger than the sum of its proper divisors (1).

10999669 is an equidigital number, since it uses as much as digits as its factorization.

10999669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 236196, while the sum is 49.

The square root of 10999669 is about 3316.5748898525. The cubic root of 10999669 is about 222.3957783151.

The spelling of 10999669 in words is "ten million, nine hundred ninety-nine thousand, six hundred sixty-nine".