842427236619 has 24 divisors (see below), whose sum is σ = 1260727363584. Its totient is φ = 541495854000.

The previous prime is 842427236597. The next prime is 842427236659. The reversal of 842427236619 is 916632724248.

It is a happy number.

842427236619 is a `hidden beast` number, since 8 + 4 + 2 + 4 + 272 + 366 + 1 + 9 = 666.

It is not a de Polignac number, because 842427236619 - 2²⁸ = 842158801163 is a prime.

It is a super-2 number, since 2×842427236619² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (842427236659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5495337 + ... + 5646554.

It is an arithmetic number, because the mean of its divisors is an integer number (52530306816).

Almost surely, 2^842427236619 is an apocalyptic number.

842427236619 is a deficient number, since it is larger than the sum of its proper divisors (418300126965).

842427236619 is a wasteful number, since it uses less digits than its factorization.

842427236619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11142199 (or 11142196 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 842427236619 in words is "eight hundred forty-two billion, four hundred twenty-seven million, two hundred thirty-six thousand, six hundred nineteen".