19638600386 has 8 divisors (see below), whose sum is σ = 29508086160. Its totient is φ = 9802571668.

The previous prime is 19638600361. The next prime is 19638600403. The reversal of 19638600386 is 68300683691.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8362796 + ... + 8365143.

It is an arithmetic number, because the mean of its divisors is an integer number (3688510770).

Almost surely, 2^19638600386 is an apocalyptic number.

19638600386 is a deficient number, since it is larger than the sum of its proper divisors (9869485774).

19638600386 is a wasteful number, since it uses less digits than its factorization.

19638600386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16728528.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The spelling of 19638600386 in words is "nineteen billion, six hundred thirty-eight million, six hundred thousand, three hundred eighty-six".