10649431 has 4 divisors (see below), whose sum is σ = 11468632. Its totient is φ = 9830232.

The previous prime is 10649417. The next prime is 10649447. The reversal of 10649431 is 13494601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13494601 = 311 ⋅43391.

It is a cyclic number.

It is not a de Polignac number, because 10649431 - 2²¹ = 8552279 is a prime.

It is a super-2 number, since 2×10649431² = 226820761247522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10649431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10649491) 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, 409581 + ... + 409606.

It is an arithmetic number, because the mean of its divisors is an integer number (2867158).

Almost surely, 2^10649431 is an apocalyptic number.

10649431 is a deficient number, since it is larger than the sum of its proper divisors (819201).

10649431 is an equidigital number, since it uses as much as digits as its factorization.

10649431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819200.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 10649431 is about 3263.3465951382. The cubic root of 10649431 is about 220.0098549304.

The spelling of 10649431 in words is "ten million, six hundred forty-nine thousand, four hundred thirty-one".