638824102334 has 16 divisors (see below), whose sum is σ = 1053579626496. Its totient is φ = 288088176600.

The previous prime is 638824102327. The next prime is 638824102451. The reversal of 638824102334 is 433201428836.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114317912 + ... + 114323499.

It is an arithmetic number, because the mean of its divisors is an integer number (65848726656).

Almost surely, 2^638824102334 is an apocalyptic number.

638824102334 is a deficient number, since it is larger than the sum of its proper divisors (414755524162).

638824102334 is a wasteful number, since it uses less digits than its factorization.

638824102334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228641551.

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

The spelling of 638824102334 in words is "six hundred thirty-eight billion, eight hundred twenty-four million, one hundred two thousand, three hundred thirty-four".