10663352643 has 4 divisors (see below), whose sum is σ = 14217803528. Its totient is φ = 7108901760.

The previous prime is 10663352617. The next prime is 10663352647. The reversal of 10663352643 is 34625336601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10663352643 - 2¹⁸ = 10663090499 is a prime.

It is a super-2 number, since 2×10663352643² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10663352647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777225438 + ... + 1777225443.

It is an arithmetic number, because the mean of its divisors is an integer number (3554450882).

Almost surely, 2^10663352643 is an apocalyptic number.

10663352643 is a deficient number, since it is larger than the sum of its proper divisors (3554450885).

10663352643 is an equidigital number, since it uses as much as digits as its factorization.

10663352643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554450884.

The product of its (nonzero) digits is 233280, while the sum is 39.

The spelling of 10663352643 in words is "ten billion, six hundred sixty-three million, three hundred fifty-two thousand, six hundred forty-three".