10649843 has 2 divisors, whose sum is σ = 10649844. Its totient is φ = 10649842.

The previous prime is 10649827. The next prime is 10649867. The reversal of 10649843 is 34894601.

10649843 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 is a cyclic number.

It is not a de Polignac number, because 10649843 - 2⁴ = 10649827 is a prime.

It is a super-2 number, since 2×10649843² = 226838311849298, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10649893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5324921 + 5324922.

It is an arithmetic number, because the mean of its divisors is an integer number (5324922).

Almost surely, 2^10649843 is an apocalyptic number.

10649843 is a deficient number, since it is larger than the sum of its proper divisors (1).

10649843 is an equidigital number, since it uses as much as digits as its factorization.

10649843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 10649843 is about 3263.4097199095. The cubic root of 10649843 is about 220.0126921052.

The spelling of 10649843 in words is "ten million, six hundred forty-nine thousand, eight hundred forty-three".