10008889643 has 4 divisors (see below), whose sum is σ = 10017322920. Its totient is φ = 10000456368.

The previous prime is 10008889637. The next prime is 10008889651. The reversal of 10008889643 is 34698880001.

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

It is a cyclic number.

It is not a de Polignac number, because 10008889643 - 2¹⁶ = 10008824107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10008889663) 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, 4214858 + ... + 4217231.

It is an arithmetic number, because the mean of its divisors is an integer number (2504330730).

Almost surely, 2^10008889643 is an apocalyptic number.

10008889643 is a deficient number, since it is larger than the sum of its proper divisors (8433277).

10008889643 is an equidigital number, since it uses as much as digits as its factorization.

10008889643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8433276.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 10008889643 in words is "ten billion, eight million, eight hundred eighty-nine thousand, six hundred forty-three".