8424058381 has 4 divisors (see below), whose sum is σ = 8460213372. Its totient is φ = 8387903392.

The previous prime is 8424058343. The next prime is 8424058439. The reversal of 8424058381 is 1838504248.

It is a happy number.

8424058381 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2481036100 + 5943022281 = 49810^2 + 77091^2 .

It is a cyclic number.

It is not a de Polignac number, because 8424058381 - 2¹³ = 8424050189 is a prime.

It is a super-2 number, since 2×8424058381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8424158381) 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 3 ways as a sum of consecutive naturals, for example, 18077146 + ... + 18077611.

It is an arithmetic number, because the mean of its divisors is an integer number (2115053343).

Almost surely, 2^8424058381 is an apocalyptic number.

It is an amenable number.

8424058381 is a deficient number, since it is larger than the sum of its proper divisors (36154991).

8424058381 is a wasteful number, since it uses less digits than its factorization.

8424058381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36154990.

The product of its (nonzero) digits is 245760, while the sum is 43.

The square root of 8424058381 is about 91782.6692845659. The cubic root of 8424058381 is about 2034.7315662325.

The spelling of 8424058381 in words is "eight billion, four hundred twenty-four million, fifty-eight thousand, three hundred eighty-one".