142769779871 has 2 divisors, whose sum is σ = 142769779872. Its totient is φ = 142769779870.

The previous prime is 142769779829. The next prime is 142769779907. The reversal of 142769779871 is 178977967241.

It is a strong prime.

It is an emirp because it is prime and its reverse (178977967241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142769779871 - 2³⁴ = 125589910687 is a prime.

It is a super-3 number, since 3×142769779871³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142769799871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71384889935 + 71384889936.

It is an arithmetic number, because the mean of its divisors is an integer number (71384889936).

Almost surely, 2^142769779871 is an apocalyptic number.

142769779871 is a deficient number, since it is larger than the sum of its proper divisors (1).

142769779871 is an equidigital number, since it uses as much as digits as its factorization.

142769779871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74680704, while the sum is 68.

The spelling of 142769779871 in words is "one hundred forty-two billion, seven hundred sixty-nine million, seven hundred seventy-nine thousand, eight hundred seventy-one".