7713403321 has 4 divisors (see below), whose sum is σ = 8306742052. Its totient is φ = 7120064592.

The previous prime is 7713403309. The next prime is 7713403331. The reversal of 7713403321 is 1233043177.

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 384160000 + 7329243321 = 19600^2 + 85611^2 .

It is a cyclic number.

It is not a de Polignac number, because 7713403321 - 2³¹ = 5565919673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7713403331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296669346 + ... + 296669371.

It is an arithmetic number, because the mean of its divisors is an integer number (2076685513).

Almost surely, 2^7713403321 is an apocalyptic number.

It is an amenable number.

7713403321 is a deficient number, since it is larger than the sum of its proper divisors (593338731).

7713403321 is a wasteful number, since it uses less digits than its factorization.

7713403321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593338730.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 7713403321 is about 87825.9831769619. The cubic root of 7713403321 is about 1975.8259277815.

Adding to 7713403321 its reverse (1233043177), we get a palindrome (8946446498).

The spelling of 7713403321 in words is "seven billion, seven hundred thirteen million, four hundred three thousand, three hundred twenty-one".