4381299021 has 8 divisors (see below), whose sum is σ = 6372798624. Its totient is φ = 2655332720.

The previous prime is 4381299017. The next prime is 4381299023. The reversal of 4381299021 is 1209921834.

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 4381299021 - 2² = 4381299017 is a prime.

It is a super-2 number, since 2×4381299021² = 38391562222831116882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381299023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66383286 + ... + 66383351.

It is an arithmetic number, because the mean of its divisors is an integer number (796599828).

Almost surely, 2^4381299021 is an apocalyptic number.

It is an amenable number.

4381299021 is a deficient number, since it is larger than the sum of its proper divisors (1991499603).

4381299021 is a wasteful number, since it uses less digits than its factorization.

4381299021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132766651.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 4381299021 is about 66191.3817728562. The cubic root of 4381299021 is about 1636.3177126048.

The spelling of 4381299021 in words is "four billion, three hundred eighty-one million, two hundred ninety-nine thousand, twenty-one".