38811227717421 has 16 divisors (see below), whose sum is σ = 58900508190720. Its totient is φ = 25243074937440.

The previous prime is 38811227717389. The next prime is 38811227717467. The reversal of 38811227717421 is 12471772211883.

38811227717421 is a `hidden beast` number, since 3 + 8 + 81 + 122 + 7 + 7 + 17 + 421 = 666.

It is not a de Polignac number, because 38811227717421 - 2⁵ = 38811227717389 is a prime.

It is a super-2 number, since 2×38811227717421² (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 (38811227767421) 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, 17529912045 + ... + 17529914258.

It is an arithmetic number, because the mean of its divisors is an integer number (3681281761920).

Almost surely, 2^{38811227717421} is an apocalyptic number.

It is an amenable number.

38811227717421 is a deficient number, since it is larger than the sum of its proper divisors (20089280473299).

38811227717421 is a wasteful number, since it uses less digits than its factorization.

38811227717421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35059826353 (or 35059826347 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 54.

The spelling of 38811227717421 in words is "thirty-eight trillion, eight hundred eleven billion, two hundred twenty-seven million, seven hundred seventeen thousand, four hundred twenty-one".