7016038321 has 4 divisors (see below), whose sum is σ = 7038171252. Its totient is φ = 6993905392.

The previous prime is 7016038319. The next prime is 7016038343. The reversal of 7016038321 is 1238306107.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1238306107 = 887 ⋅1396061.

It can be written as a sum of positive squares in 2 ways, for example, as 752898721 + 6263139600 = 27439^2 + 79140^2 .

It is a cyclic number.

It is not a de Polignac number, because 7016038321 - 2¹ = 7016038319 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7016038361) 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, 11065990 + ... + 11066623.

It is an arithmetic number, because the mean of its divisors is an integer number (1759542813).

Almost surely, 2^7016038321 is an apocalyptic number.

It is an amenable number.

7016038321 is a deficient number, since it is larger than the sum of its proper divisors (22132931).

7016038321 is a wasteful number, since it uses less digits than its factorization.

7016038321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132930.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7016038321 is about 83761.7951156731. The cubic root of 7016038321 is about 1914.3910305229.

The spelling of 7016038321 in words is "seven billion, sixteen million, thirty-eight thousand, three hundred twenty-one".