842186771253 has 24 divisors (see below), whose sum is σ = 1325394546560. Its totient is φ = 528430910400.

The previous prime is 842186771249. The next prime is 842186771357. The reversal of 842186771253 is 352177681248.

It is not a de Polignac number, because 842186771253 - 2² = 842186771249 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 842186771253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842186771213) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 53957773 + ... + 53973378.

Almost surely, 2^842186771253 is an apocalyptic number.

It is an amenable number.

842186771253 is a deficient number, since it is larger than the sum of its proper divisors (483207775307).

842186771253 is a wasteful number, since it uses less digits than its factorization.

842186771253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107931194 (or 107931171 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 842186771253 in words is "eight hundred forty-two billion, one hundred eighty-six million, seven hundred seventy-one thousand, two hundred fifty-three".