38122856690385 has 32 divisors (see below), whose sum is σ = 61224318001152. Its totient is φ = 20256281012160.

The previous prime is 38122856690383. The next prime is 38122856690437. The reversal of 38122856690385 is 58309665822183.

It is not a de Polignac number, because 38122856690385 - 2¹ = 38122856690383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38122856690383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99022332 + ... + 99406578.

It is an arithmetic number, because the mean of its divisors is an integer number (1913259937536).

Almost surely, 2^{38122856690385} is an apocalyptic number.

It is an amenable number.

38122856690385 is a deficient number, since it is larger than the sum of its proper divisors (23101461310767).

38122856690385 is a wasteful number, since it uses less digits than its factorization.

38122856690385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408933.

The product of its (nonzero) digits is 149299200, while the sum is 66.

The spelling of 38122856690385 in words is "thirty-eight trillion, one hundred twenty-two billion, eight hundred fifty-six million, six hundred ninety thousand, three hundred eighty-five".