38189654791 has 2 divisors, whose sum is σ = 38189654792. Its totient is φ = 38189654790.

The previous prime is 38189654773. The next prime is 38189654803. The reversal of 38189654791 is 19745698183.

It is a strong prime.

It is an emirp because it is prime and its reverse (19745698183) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38189654791 - 2⁵ = 38189654759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38189658791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19094827395 + 19094827396.

It is an arithmetic number, because the mean of its divisors is an integer number (19094827396).

Almost surely, 2^38189654791 is an apocalyptic number.

38189654791 is a deficient number, since it is larger than the sum of its proper divisors (1).

38189654791 is an equidigital number, since it uses as much as digits as its factorization.

38189654791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 61.

The spelling of 38189654791 in words is "thirty-eight billion, one hundred eighty-nine million, six hundred fifty-four thousand, seven hundred ninety-one".