38427451431717 has 32 divisors (see below), whose sum is σ = 52402794522624. Its totient is φ = 25036798377600.

The previous prime is 38427451431671. The next prime is 38427451431731. The reversal of 38427451431717 is 71713415472483.

It is not a de Polignac number, because 38427451431717 - 2¹⁵ = 38427451398949 is a prime.

It is a super-2 number, since 2×38427451431717² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38427451433717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934249242 + ... + 934290372.

It is an arithmetic number, because the mean of its divisors is an integer number (1637587328832).

Almost surely, 2^{38427451431717} is an apocalyptic number.

It is an amenable number.

38427451431717 is a deficient number, since it is larger than the sum of its proper divisors (13975343090907).

38427451431717 is a wasteful number, since it uses less digits than its factorization.

38427451431717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50649.

The product of its digits is 15805440, while the sum is 57.

The spelling of 38427451431717 in words is "thirty-eight trillion, four hundred twenty-seven billion, four hundred fifty-one million, four hundred thirty-one thousand, seven hundred seventeen".