4038013321 has 4 divisors (see below), whose sum is σ = 4059154944. Its totient is φ = 4016871700.

The previous prime is 4038013307. The next prime is 4038013327. The reversal of 4038013321 is 1233108304.

4038013321 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4038013321 - 2¹³ = 4038005129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4038013327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10570525 + ... + 10570906.

It is an arithmetic number, because the mean of its divisors is an integer number (1014788736).

Almost surely, 2^4038013321 is an apocalyptic number.

It is an amenable number.

4038013321 is a deficient number, since it is larger than the sum of its proper divisors (21141623).

4038013321 is a wasteful number, since it uses less digits than its factorization.

4038013321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21141622.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4038013321 is about 63545.3642762397. The cubic root of 4038013321 is about 1592.4137384178.

The spelling of 4038013321 in words is "four billion, thirty-eight million, thirteen thousand, three hundred twenty-one".