10042244591 has 4 divisors (see below), whose sum is σ = 10570783800. Its totient is φ = 9513705384.

The previous prime is 10042244587. The next prime is 10042244599. The reversal of 10042244591 is 19544224001.

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

It is not a de Polignac number, because 10042244591 - 2² = 10042244587 is a prime.

It is a super-3 number, since 3×10042244591³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10042244599) 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, 264269576 + ... + 264269613.

It is an arithmetic number, because the mean of its divisors is an integer number (2642695950).

Almost surely, 2^10042244591 is an apocalyptic number.

10042244591 is a deficient number, since it is larger than the sum of its proper divisors (528539209).

10042244591 is an equidigital number, since it uses as much as digits as its factorization.

10042244591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528539208.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 10042244591 its reverse (19544224001), we get a palindrome (29586468592).

The spelling of 10042244591 in words is "ten billion, forty-two million, two hundred forty-four thousand, five hundred ninety-one".