38109113815009 has 2 divisors, whose sum is σ = 38109113815010. Its totient is φ = 38109113815008.

The previous prime is 38109113814991. The next prime is 38109113815043. The reversal of 38109113815009 is 90051831190183.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37005504736225 + 1103609078784 = 6083215^2 + 1050528^2 .

It is a cyclic number.

It is not a de Polignac number, because 38109113815009 - 2¹³ = 38109113806817 is a prime.

It is not a weakly prime, because it can be changed into another prime (38109113815099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19054556907504 + 19054556907505.

It is an arithmetic number, because the mean of its divisors is an integer number (19054556907505).

Almost surely, 2^{38109113815009} is an apocalyptic number.

It is an amenable number.

38109113815009 is a deficient number, since it is larger than the sum of its proper divisors (1).

38109113815009 is an equidigital number, since it uses as much as digits as its factorization.

38109113815009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 49.

The spelling of 38109113815009 in words is "thirty-eight trillion, one hundred nine billion, one hundred thirteen million, eight hundred fifteen thousand, nine".