742843585348259 has 2 divisors, whose sum is σ = 742843585348260. Its totient is φ = 742843585348258.

The previous prime is 742843585348247. The next prime is 742843585348273. The reversal of 742843585348259 is 952843585348247.

It is a weak prime.

It is an emirp because it is prime and its reverse (952843585348247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 742843585348259 - 2⁴⁴ = 725251399303843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742843585348259.

It is not a weakly prime, because it can be changed into another prime (742843585348559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 371421792674129 + 371421792674130.

It is an arithmetic number, because the mean of its divisors is an integer number (371421792674130).

Almost surely, 2^{742843585348259} is an apocalyptic number.

742843585348259 is a deficient number, since it is larger than the sum of its proper divisors (1).

742843585348259 is an equidigital number, since it uses as much as digits as its factorization.

742843585348259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728000, while the sum is 77.

The spelling of 742843585348259 in words is "seven hundred forty-two trillion, eight hundred forty-three billion, five hundred eighty-five million, three hundred forty-eight thousand, two hundred fifty-nine".