4138693608 has 64 divisors (see below), whose sum is σ = 12144447360. Its totient is φ = 1150523136.

The previous prime is 4138693579. The next prime is 4138693621. The reversal of 4138693608 is 8063968314.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326691 + ... + 339122.

It is an arithmetic number, because the mean of its divisors is an integer number (189756990).

Almost surely, 2^4138693608 is an apocalyptic number.

It is an amenable number.

4138693608 is an abundant number, since it is smaller than the sum of its proper divisors (8005753752).

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

4138693608 is a wasteful number, since it uses less digits than its factorization.

4138693608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665866 (or 665862 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 48.

The square root of 4138693608 is about 64332.6791607500. The cubic root of 4138693608 is about 1605.5398601225.

The spelling of 4138693608 in words is "four billion, one hundred thirty-eight million, six hundred ninety-three thousand, six hundred eight".