142001268593 has 2 divisors, whose sum is σ = 142001268594.
Its totient is φ = 142001268592.
The previous prime is 142001268571. The next prime is 142001268649. The reversal of 142001268593 is 395862100241.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 136924421089 + 5076847504 = 370033^2 + 71252^2
It is an emirp because it is prime and its reverse (395862100241) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-142001268593 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 142001268593.
It is not a weakly prime, because it can be changed into another prime (142001268553) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71000634296 + 71000634297.
It is an arithmetic number, because the mean of its divisors is an integer number (71000634297).
Almost surely, 2142001268593 is an apocalyptic number.
It is an amenable number.
142001268593 is a deficient number, since it is larger than the sum of its proper divisors (1).
142001268593 is an equidigital number, since it uses as much as digits as its factorization.
142001268593 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 103680, while the sum is 41.
The spelling of 142001268593 in words is "one hundred forty-two billion, one million, two hundred sixty-eight thousand, five hundred ninety-three".