10142366653681 has 2 divisors, whose sum is σ = 10142366653682. Its totient is φ = 10142366653680.

The previous prime is 10142366653649. The next prime is 10142366653709. The reversal of 10142366653681 is 18635666324101.

10142366653681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9821830640400 + 320536013281 = 3133980^2 + 566159^2 .

It is an emirp because it is prime and its reverse (18635666324101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10142366653681 - 2⁵ = 10142366653649 is a prime.

It is a super-2 number, since 2×10142366653681² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10142366653481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071183326840 + 5071183326841.

It is an arithmetic number, because the mean of its divisors is an integer number (5071183326841).

Almost surely, 2^{10142366653681} is an apocalyptic number.

It is an amenable number.

10142366653681 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142366653681 is an equidigital number, since it uses as much as digits as its factorization.

10142366653681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 52.

The spelling of 10142366653681 in words is "ten trillion, one hundred forty-two billion, three hundred sixty-six million, six hundred fifty-three thousand, six hundred eighty-one".