10659749 has 4 divisors (see below), whose sum is σ = 10666380. Its totient is φ = 10653120.

The previous prime is 10659739. The next prime is 10659757. The reversal of 10659749 is 94795601.

10659749 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5452225 + 5207524 = 2335^2 + 2282^2 .

It is a cyclic number.

It is not a de Polignac number, because 10659749 - 2¹² = 10655653 is a prime.

It is a super-2 number, since 2×10659749² = 227260497486002, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10659739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797 + ... + 4685.

It is an arithmetic number, because the mean of its divisors is an integer number (2666595).

Almost surely, 2^10659749 is an apocalyptic number.

It is an amenable number.

10659749 is a deficient number, since it is larger than the sum of its proper divisors (6631).

10659749 is an equidigital number, since it uses as much as digits as its factorization.

10659749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630.

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

The square root of 10659749 is about 3264.9271048524. The cubic root of 10659749 is about 220.0808862353.

The spelling of 10659749 in words is "ten million, six hundred fifty-nine thousand, seven hundred forty-nine".