38772342247109 has 2 divisors, whose sum is σ = 38772342247110. Its totient is φ = 38772342247108.

The previous prime is 38772342247021. The next prime is 38772342247159. The reversal of 38772342247109 is 90174224327783.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38232543463009 + 539798784100 = 6183247^2 + 734710^2 .

It is an emirp because it is prime and its reverse (90174224327783) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38772342247109 - 2²⁰ = 38772341198533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38772342247159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19386171123554 + 19386171123555.

It is an arithmetic number, because the mean of its divisors is an integer number (19386171123555).

Almost surely, 2^{38772342247109} is an apocalyptic number.

It is an amenable number.

38772342247109 is a deficient number, since it is larger than the sum of its proper divisors (1).

38772342247109 is an equidigital number, since it uses as much as digits as its factorization.

38772342247109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28449792, while the sum is 59.

The spelling of 38772342247109 in words is "thirty-eight trillion, seven hundred seventy-two billion, three hundred forty-two million, two hundred forty-seven thousand, one hundred nine".