842474055637 has 8 divisors (see below), whose sum is σ = 842799215672. Its totient is φ = 842148964800.

The previous prime is 842474055593. The next prime is 842474055677. The reversal of 842474055637 is 736550474248.

It can be written as a sum of positive squares in 4 ways, for example, as 729476560836 + 112997494801 = 854094^2 + 336151^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 842474055637 - 2¹⁹ = 842473531349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842474055677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39991087 + ... + 40012147.

It is an arithmetic number, because the mean of its divisors is an integer number (105349901959).

Almost surely, 2^842474055637 is an apocalyptic number.

It is an amenable number.

842474055637 is a deficient number, since it is larger than the sum of its proper divisors (325160035).

842474055637 is a wasteful number, since it uses less digits than its factorization.

842474055637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34599.

The product of its (nonzero) digits is 22579200, while the sum is 55.

The spelling of 842474055637 in words is "eight hundred forty-two billion, four hundred seventy-four million, fifty-five thousand, six hundred thirty-seven".