38189654773 has 2 divisors, whose sum is σ = 38189654774. Its totient is φ = 38189654772.

The previous prime is 38189654759. The next prime is 38189654791. The reversal of 38189654773 is 37745698183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37726458289 + 463196484 = 194233^2 + 21522^2 .

It is a cyclic number.

It is not a de Polignac number, because 38189654773 - 2³³ = 29599720181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38189634773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19094827386 + 19094827387.

It is an arithmetic number, because the mean of its divisors is an integer number (19094827387).

Almost surely, 2^38189654773 is an apocalyptic number.

It is an amenable number.

38189654773 is a deficient number, since it is larger than the sum of its proper divisors (1).

38189654773 is an equidigital number, since it uses as much as digits as its factorization.

38189654773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 61.

The spelling of 38189654773 in words is "thirty-eight billion, one hundred eighty-nine million, six hundred fifty-four thousand, seven hundred seventy-three".