38013791227 has 2 divisors, whose sum is σ = 38013791228. Its totient is φ = 38013791226.

The previous prime is 38013791219. The next prime is 38013791293. The reversal of 38013791227 is 72219731083.

It is a weak prime.

It is an emirp because it is prime and its reverse (72219731083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38013791227 - 2³ = 38013791219 is a prime.

It is not a weakly prime, because it can be changed into another prime (38013791297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19006895613 + 19006895614.

It is an arithmetic number, because the mean of its divisors is an integer number (19006895614).

Almost surely, 2^38013791227 is an apocalyptic number.

38013791227 is a deficient number, since it is larger than the sum of its proper divisors (1).

38013791227 is an equidigital number, since it uses as much as digits as its factorization.

38013791227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 38013791227 in words is "thirty-eight billion, thirteen million, seven hundred ninety-one thousand, two hundred twenty-seven".