38534363391 has 8 divisors (see below), whose sum is σ = 54083317120. Its totient is φ = 24337492632.

The previous prime is 38534363389. The next prime is 38534363419. The reversal of 38534363391 is 19336343583.

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

It is not a de Polignac number, because 38534363391 - 2¹ = 38534363389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38534363391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38534363191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338020675 + ... + 338020788.

It is an arithmetic number, because the mean of its divisors is an integer number (6760414640).

Almost surely, 2^38534363391 is an apocalyptic number.

38534363391 is a deficient number, since it is larger than the sum of its proper divisors (15548953729).

38534363391 is a wasteful number, since it uses less digits than its factorization.

38534363391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676041485.

The product of its digits is 2099520, while the sum is 48.

The spelling of 38534363391 in words is "thirty-eight billion, five hundred thirty-four million, three hundred sixty-three thousand, three hundred ninety-one".