842648493122 has 8 divisors (see below), whose sum is σ = 1264009466316. Its totient is φ = 421312004352.

The previous prime is 842648493119. The next prime is 842648493131. The reversal of 842648493122 is 221394846248.

It can be written as a sum of positive squares in 2 ways, for example, as 834864136681 + 7784356441 = 913709^2 + 88229^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6034823 + ... + 6172874.

Almost surely, 2^842648493122 is an apocalyptic number.

842648493122 is a deficient number, since it is larger than the sum of its proper divisors (421360973194).

842648493122 is a wasteful number, since it uses less digits than its factorization.

842648493122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12242212.

The product of its digits is 5308416, while the sum is 53.

The spelling of 842648493122 in words is "eight hundred forty-two billion, six hundred forty-eight million, four hundred ninety-three thousand, one hundred twenty-two".