842269609202 has 18 divisors (see below), whose sum is σ = 1469690375247. Its totient is φ = 360968795964.

The previous prime is 842269609141. The next prime is 842269609231. The reversal of 842269609202 is 202906962248.

It can be written as a sum of positive squares in only one way, i.e., 421134804601 + 421134804601 = 648949^2 + 648949^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=648949.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9038933 + ... + 9131639.

Almost surely, 2^842269609202 is an apocalyptic number.

842269609202 is a deficient number, since it is larger than the sum of its proper divisors (627420766045).

842269609202 is an frugal number, since it uses more digits than its factorization.

842269609202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185430 (or 92716 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

Multiplying 842269609202 by its sum of digits (50), we get a square (42113480460100 = 6489490²).

The spelling of 842269609202 in words is "eight hundred forty-two billion, two hundred sixty-nine million, six hundred nine thousand, two hundred two".