3838618608385 has 16 divisors (see below), whose sum is σ = 5141963534400. Its totient is φ = 2726798840640.

The previous prime is 3838618608269. The next prime is 3838618608511. The reversal of 3838618608385 is 5838068168383.

It is a de Polignac number, because none of the positive numbers 2^k-3838618608385 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3838618608385.

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, 811544910 + ... + 811549639.

It is an arithmetic number, because the mean of its divisors is an integer number (321372720900).

Almost surely, 2^{3838618608385} is an apocalyptic number.

It is an amenable number.

3838618608385 is a deficient number, since it is larger than the sum of its proper divisors (1303344926015).

3838618608385 is a wasteful number, since it uses less digits than its factorization.

3838618608385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623094608.

The product of its (nonzero) digits is 159252480, while the sum is 67.

The spelling of 3838618608385 in words is "three trillion, eight hundred thirty-eight billion, six hundred eighteen million, six hundred eight thousand, three hundred eighty-five".