10442001243 has 4 divisors (see below), whose sum is σ = 13922668328. Its totient is φ = 6961334160.

The previous prime is 10442001217. The next prime is 10442001257. The reversal of 10442001243 is 34210024401.

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

It is a de Polignac number, because none of the positive numbers 2^k-10442001243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10442000243) 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, 1740333538 + ... + 1740333543.

It is an arithmetic number, because the mean of its divisors is an integer number (3480667082).

Almost surely, 2^10442001243 is an apocalyptic number.

10442001243 is a deficient number, since it is larger than the sum of its proper divisors (3480667085).

10442001243 is an equidigital number, since it uses as much as digits as its factorization.

10442001243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3480667084.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10442001243 its reverse (34210024401), we get a palindrome (44652025644).

The spelling of 10442001243 in words is "ten billion, four hundred forty-two million, one thousand, two hundred forty-three".