38424000391 has 4 divisors (see below), whose sum is σ = 43913143312. Its totient is φ = 32934857472.

The previous prime is 38424000317. The next prime is 38424000401. The reversal of 38424000391 is 19300042483.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 38424000391 - 2¹¹ = 38423998343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38424001391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744571450 + ... + 2744571463.

It is an arithmetic number, because the mean of its divisors is an integer number (10978285828).

Almost surely, 2^38424000391 is an apocalyptic number.

38424000391 is a deficient number, since it is larger than the sum of its proper divisors (5489142921).

38424000391 is an equidigital number, since it uses as much as digits as its factorization.

38424000391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489142920.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 38424000391 in words is "thirty-eight billion, four hundred twenty-four million, three hundred ninety-one", and thus it is an aban number.