638822034062 has 8 divisors (see below), whose sum is σ = 958238072136. Its totient is φ = 319409343352.

The previous prime is 638822034031. The next prime is 638822034089. The reversal of 638822034062 is 260430228836.

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

It is a super-2 number, since 2×638822034062² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287648 + ... + 1166355.

It is an arithmetic number, because the mean of its divisors is an integer number (119779759017).

Almost surely, 2^638822034062 is an apocalyptic number.

638822034062 is a deficient number, since it is larger than the sum of its proper divisors (319416038074).

638822034062 is a wasteful number, since it uses less digits than its factorization.

638822034062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1673682.

The product of its (nonzero) digits is 663552, while the sum is 44.

The spelling of 638822034062 in words is "six hundred thirty-eight billion, eight hundred twenty-two million, thirty-four thousand, sixty-two".