38749725909369 has 12 divisors (see below), whose sum is σ = 55972411700400. Its totient is φ = 25832880427704.

The previous prime is 38749725909361. The next prime is 38749725909421. The reversal of 38749725909369 is 96390952794783.

38749725909369 is a `hidden beast` number, since 3 + 8 + 7 + 497 + 2 + 5 + 90 + 9 + 36 + 9 = 666.

It is not a de Polignac number, because 38749725909369 - 2³ = 38749725909361 is a prime.

It is a super-2 number, since 2×38749725909369² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38749725909361) 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, 21604599 + ... + 23329340.

It is an arithmetic number, because the mean of its divisors is an integer number (4664367641700).

Almost surely, 2^{38749725909369} is an apocalyptic number.

It is an amenable number.

38749725909369 is a deficient number, since it is larger than the sum of its proper divisors (17222685791031).

38749725909369 is a wasteful number, since it uses less digits than its factorization.

38749725909369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45029764 (or 45029761 counting only the distinct ones).

The product of its (nonzero) digits is 5555329920, while the sum is 81.

The spelling of 38749725909369 in words is "thirty-eight trillion, seven hundred forty-nine billion, seven hundred twenty-five million, nine hundred nine thousand, three hundred sixty-nine".