10042244243 has 4 divisors (see below), whose sum is σ = 10118902728. Its totient is φ = 9965585760.

The previous prime is 10042244239. The next prime is 10042244257. The reversal of 10042244243 is 34244224001.

It is a happy number.

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 10042244243 - 2² = 10042244239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10042244263) 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, 38329046 + ... + 38329307.

It is an arithmetic number, because the mean of its divisors is an integer number (2529725682).

Almost surely, 2^10042244243 is an apocalyptic number.

10042244243 is a deficient number, since it is larger than the sum of its proper divisors (76658485).

10042244243 is an equidigital number, since it uses as much as digits as its factorization.

10042244243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76658484.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 10042244243 its reverse (34244224001), we get a palindrome (44286468244).

The spelling of 10042244243 in words is "ten billion, forty-two million, two hundred forty-four thousand, two hundred forty-three".