8410381221 has 8 divisors (see below), whose sum is σ = 12233281824. Its totient is φ = 5097200720.

The previous prime is 8410381211. The next prime is 8410381229. The reversal of 8410381221 is 1221830148.

8410381221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8410381221 - 2⁶ = 8410381157 is a prime.

It is a super-3 number, since 3×8410381221³ (a number of 31 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8410381229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127429986 + ... + 127430051.

It is an arithmetic number, because the mean of its divisors is an integer number (1529160228).

Almost surely, 2^8410381221 is an apocalyptic number.

It is an amenable number.

8410381221 is a deficient number, since it is larger than the sum of its proper divisors (3822900603).

8410381221 is a wasteful number, since it uses less digits than its factorization.

8410381221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254860051.

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 8410381221 is about 91708.1306155567. The cubic root of 8410381221 is about 2033.6297843827.

The spelling of 8410381221 in words is "eight billion, four hundred ten million, three hundred eighty-one thousand, two hundred twenty-one".