142449377263 has 2 divisors, whose sum is σ = 142449377264. Its totient is φ = 142449377262.

The previous prime is 142449377251. The next prime is 142449377341. The reversal of 142449377263 is 362773944241.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142449377263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142449377263.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142449377233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71224688631 + 71224688632.

It is an arithmetic number, because the mean of its divisors is an integer number (71224688632).

Almost surely, 2^142449377263 is an apocalyptic number.

142449377263 is a deficient number, since it is larger than the sum of its proper divisors (1).

142449377263 is an equidigital number, since it uses as much as digits as its factorization.

142449377263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 52.

The spelling of 142449377263 in words is "one hundred forty-two billion, four hundred forty-nine million, three hundred seventy-seven thousand, two hundred sixty-three".