38717481171481 has 24 divisors (see below), whose sum is σ = 45124576862856. Its totient is φ = 33123176190720.

The previous prime is 38717481171403. The next prime is 38717481171491. The reversal of 38717481171481 is 18417118471783.

It can be written as a sum of positive squares in 4 ways, for example, as 9931895523081 + 28785585648400 = 3151491^2 + 5365220^2 .

It is not a de Polignac number, because 38717481171481 - 2¹⁷ = 38717481040409 is a prime.

It is a super-2 number, since 2×38717481171481² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38717481171491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82584925 + ... + 83052421.

It is an arithmetic number, because the mean of its divisors is an integer number (1880190702619).

Almost surely, 2^{38717481171481} is an apocalyptic number.

It is an amenable number.

38717481171481 is a deficient number, since it is larger than the sum of its proper divisors (6407095691375).

38717481171481 is a wasteful number, since it uses less digits than its factorization.

38717481171481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470729 (or 470722 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 61.

The spelling of 38717481171481 in words is "thirty-eight trillion, seven hundred seventeen billion, four hundred eighty-one million, one hundred seventy-one thousand, four hundred eighty-one".