142141998934591 has 2 divisors, whose sum is σ = 142141998934592. Its totient is φ = 142141998934590.

The previous prime is 142141998934589. The next prime is 142141998934613. The reversal of 142141998934591 is 195439899141241.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (195439899141241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142141998934591 - 2¹ = 142141998934589 is a prime.

It is a super-2 number, since 2×142141998934591² (a number of 29 digits) contains 22 as substring.

Together with 142141998934589, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142141998934591.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142141998934561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71070999467295 + 71070999467296.

It is an arithmetic number, because the mean of its divisors is an integer number (71070999467296).

Almost surely, 2^{142141998934591} is an apocalyptic number.

142141998934591 is a deficient number, since it is larger than the sum of its proper divisors (1).

142141998934591 is an equidigital number, since it uses as much as digits as its factorization.

142141998934591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100776960, while the sum is 70.

The spelling of 142141998934591 in words is "one hundred forty-two trillion, one hundred forty-one billion, nine hundred ninety-eight million, nine hundred thirty-four thousand, five hundred ninety-one".