7713424009 has 2 divisors, whose sum is σ = 7713424010. Its totient is φ = 7713424008.

The previous prime is 7713424007. The next prime is 7713424027. The reversal of 7713424009 is 9004243177.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7674636025 + 38787984 = 87605^2 + 6228^2 .

It is a cyclic number.

It is not a de Polignac number, because 7713424009 - 2¹ = 7713424007 is a prime.

Together with 7713424007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7713424007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3856712004 + 3856712005.

It is an arithmetic number, because the mean of its divisors is an integer number (3856712005).

Almost surely, 2^7713424009 is an apocalyptic number.

It is an amenable number.

7713424009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7713424009 is an equidigital number, since it uses as much as digits as its factorization.

7713424009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 7713424009 is about 87826.1009552400. The cubic root of 7713424009 is about 1975.8276942240.

The spelling of 7713424009 in words is "seven billion, seven hundred thirteen million, four hundred twenty-four thousand, nine".