637408096242 has 8 divisors (see below), whose sum is σ = 1274816192496. Its totient is φ = 212469365412.

The previous prime is 637408096219. The next prime is 637408096243. The reversal of 637408096242 is 242690804736.

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

637408096242 is an admirable number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (637408096243) 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 3 ways as a sum of consecutive naturals, for example, 53117341348 + ... + 53117341359.

It is an arithmetic number, because the mean of its divisors is an integer number (159352024062).

Almost surely, 2^637408096242 is an apocalyptic number.

637408096242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

637408096242 is a wasteful number, since it uses less digits than its factorization.

637408096242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106234682712.

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 637408096242 in words is "six hundred thirty-seven billion, four hundred eight million, ninety-six thousand, two hundred forty-two".