7142142863749 has 2 divisors, whose sum is σ = 7142142863750. Its totient is φ = 7142142863748.

The previous prime is 7142142863689. The next prime is 7142142863759. The reversal of 7142142863749 is 9473682412417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7051186335649 + 90956528100 = 2655407^2 + 301590^2 .

It is an emirp because it is prime and its reverse (9473682412417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7142142863749 - 2²⁵ = 7142109309317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7142142863693 and 7142142863702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7142142863759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3571071431874 + 3571071431875.

It is an arithmetic number, because the mean of its divisors is an integer number (3571071431875).

Almost surely, 2^{7142142863749} is an apocalyptic number.

It is an amenable number.

7142142863749 is a deficient number, since it is larger than the sum of its proper divisors (1).

7142142863749 is an equidigital number, since it uses as much as digits as its factorization.

7142142863749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 58.

The spelling of 7142142863749 in words is "seven trillion, one hundred forty-two billion, one hundred forty-two million, eight hundred sixty-three thousand, seven hundred forty-nine".