38388873016565 has 16 divisors (see below), whose sum is σ = 46112164781760. Its totient is φ = 30680766007680.

The previous prime is 38388873016561. The next prime is 38388873016573. The reversal of 38388873016565 is 56561037888383.

It is not a de Polignac number, because 38388873016565 - 2² = 38388873016561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38388873016561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24137681 + ... + 25678889.

It is an arithmetic number, because the mean of its divisors is an integer number (2882010298860).

Almost surely, 2^{38388873016565} is an apocalyptic number.

It is an amenable number.

38388873016565 is a deficient number, since it is larger than the sum of its proper divisors (7723291765195).

38388873016565 is a wasteful number, since it uses less digits than its factorization.

38388873016565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546132.

The product of its (nonzero) digits is 696729600, while the sum is 71.

The spelling of 38388873016565 in words is "thirty-eight trillion, three hundred eighty-eight billion, eight hundred seventy-three million, sixteen thousand, five hundred sixty-five".