10544401243 has 4 divisors (see below), whose sum is σ = 10551791880. Its totient is φ = 10537010608.

The previous prime is 10544401223. The next prime is 10544401271. The reversal of 10544401243 is 34210444501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10544401243 is a prime.

It is a super-2 number, since 2×10544401243² (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 (10544401223) 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, 3693178 + ... + 3696031.

It is an arithmetic number, because the mean of its divisors is an integer number (2637947970).

Almost surely, 2^10544401243 is an apocalyptic number.

10544401243 is a deficient number, since it is larger than the sum of its proper divisors (7390637).

10544401243 is an equidigital number, since it uses as much as digits as its factorization.

10544401243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7390636.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 10544401243 its reverse (34210444501), we get a palindrome (44754845744).

The spelling of 10544401243 in words is "ten billion, five hundred forty-four million, four hundred one thousand, two hundred forty-three".