842265447039 has 8 divisors (see below), whose sum is σ = 1247800662320. Its totient is φ = 561510298008.

The previous prime is 842265447031. The next prime is 842265447041. The reversal of 842265447039 is 930744562248.

It is a happy number.

842265447039 is a `hidden beast` number, since 8 + 4 + 2 + 26 + 544 + 70 + 3 + 9 = 666.

It is not a de Polignac number, because 842265447039 - 2³ = 842265447031 is a prime.

It is a super-2 number, since 2×842265447039² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842265447031) 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 in 7 ways as a sum of consecutive naturals, for example, 15597508252 + ... + 15597508305.

It is an arithmetic number, because the mean of its divisors is an integer number (155975082790).

Almost surely, 2^842265447039 is an apocalyptic number.

842265447039 is a deficient number, since it is larger than the sum of its proper divisors (405535215281).

842265447039 is a wasteful number, since it uses less digits than its factorization.

842265447039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31195016566 (or 31195016560 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 54.

The spelling of 842265447039 in words is "eight hundred forty-two billion, two hundred sixty-five million, four hundred forty-seven thousand, thirty-nine".