10649539 has 4 divisors (see below), whose sum is σ = 10657624. Its totient is φ = 10641456.

The previous prime is 10649501. The next prime is 10649567. The reversal of 10649539 is 93594601.

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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10649539 is a prime.

It is a super-2 number, since 2×10649539² = 226825361825042, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10649498 and 10649507.

It is not an unprimeable number, because it can be changed into a prime (10649039) 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, 1557 + ... + 4870.

It is an arithmetic number, because the mean of its divisors is an integer number (2664406).

Almost surely, 2^10649539 is an apocalyptic number.

10649539 is a deficient number, since it is larger than the sum of its proper divisors (8085).

10649539 is an equidigital number, since it uses as much as digits as its factorization.

10649539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 10649539 is about 3263.3631425264. The cubic root of 10649539 is about 220.0105986629.

The spelling of 10649539 in words is "ten million, six hundred forty-nine thousand, five hundred thirty-nine".