842169949188 has 48 divisors (see below), whose sum is σ = 2014350709056. Its totient is φ = 273691491840.

The previous prime is 842169949183. The next prime is 842169949193. The reversal of 842169949188 is 881949961248.

It is an interprime number because it is at equal distance from previous prime (842169949183) and next prime (842169949193).

It is not an unprimeable number, because it can be changed into a prime (842169949183) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152520 + ... + 1306752.

It is an arithmetic number, because the mean of its divisors is an integer number (41965639772).

Almost surely, 2^842169949188 is an apocalyptic number.

It is an amenable number.

842169949188 is an abundant number, since it is smaller than the sum of its proper divisors (1172180759868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842169949188 is a wasteful number, since it uses less digits than its factorization.

842169949188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155764 (or 1155762 counting only the distinct ones).

The product of its digits is 71663616, while the sum is 69.

The spelling of 842169949188 in words is "eight hundred forty-two billion, one hundred sixty-nine million, nine hundred forty-nine thousand, one hundred eighty-eight".