10243545727 has 2 divisors, whose sum is σ = 10243545728. Its totient is φ = 10243545726.

The previous prime is 10243545703. The next prime is 10243545733. The reversal of 10243545727 is 72754534201.

It is a strong prime.

It is an emirp because it is prime and its reverse (72754534201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10243545727 is a prime.

It is a super-2 number, since 2×10243545727² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10243545727.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10243545427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5121772863 + 5121772864.

It is an arithmetic number, because the mean of its divisors is an integer number (5121772864).

Almost surely, 2^10243545727 is an apocalyptic number.

10243545727 is a deficient number, since it is larger than the sum of its proper divisors (1).

10243545727 is an equidigital number, since it uses as much as digits as its factorization.

10243545727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 235200, while the sum is 40.

The spelling of 10243545727 in words is "ten billion, two hundred forty-three million, five hundred forty-five thousand, seven hundred twenty-seven".