10443532657 has 4 divisors (see below), whose sum is σ = 10443738276. Its totient is φ = 10443327040.

The previous prime is 10443532637. The next prime is 10443532709. The reversal of 10443532657 is 75623534401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75623534401 = 98627 ⋅766763.

It can be written as a sum of positive squares in 2 ways, for example, as 1025024256 + 9418508401 = 32016^2 + 97049^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10443532657 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10443532637) 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, 34557 + ... + 148597.

It is an arithmetic number, because the mean of its divisors is an integer number (2610934569).

Almost surely, 2^10443532657 is an apocalyptic number.

It is an amenable number.

10443532657 is a deficient number, since it is larger than the sum of its proper divisors (205619).

10443532657 is an equidigital number, since it uses as much as digits as its factorization.

10443532657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205618.

The product of its (nonzero) digits is 302400, while the sum is 40.

The spelling of 10443532657 in words is "ten billion, four hundred forty-three million, five hundred thirty-two thousand, six hundred fifty-seven".