38387736305413 has 12 divisors (see below), whose sum is σ = 42195694639084. Its totient is φ = 34897189377600.

The previous prime is 38387736305389. The next prime is 38387736305431. The reversal of 38387736305413 is 31450363778383.

It can be written as a sum of positive squares in 2 ways, for example, as 27499043066209 + 10888693239204 = 5243953^2 + 3299802^2 .

It is not a de Polignac number, because 38387736305413 - 2¹³ = 38387736297221 is a prime.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38387736302413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2250295 + ... + 9046507.

Almost surely, 2^{38387736305413} is an apocalyptic number.

It is an amenable number.

38387736305413 is a deficient number, since it is larger than the sum of its proper divisors (3807958333671).

38387736305413 is a wasteful number, since it uses less digits than its factorization.

38387736305413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6842916 (or 6842905 counting only the distinct ones).

The product of its (nonzero) digits is 91445760, while the sum is 61.

The spelling of 38387736305413 in words is "thirty-eight trillion, three hundred eighty-seven billion, seven hundred thirty-six million, three hundred five thousand, four hundred thirteen".