7317344621 has 2 divisors, whose sum is σ = 7317344622. Its totient is φ = 7317344620.

The previous prime is 7317344611. The next prime is 7317344651. The reversal of 7317344621 is 1264437137.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3724660900 + 3592683721 = 61030^2 + 59939^2 .

It is a cyclic number.

It is not a de Polignac number, because 7317344621 - 2¹⁴ = 7317328237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7317344611) 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 as a sum of consecutive naturals, namely, 3658672310 + 3658672311.

It is an arithmetic number, because the mean of its divisors is an integer number (3658672311).

Almost surely, 2^7317344621 is an apocalyptic number.

It is an amenable number.

7317344621 is a deficient number, since it is larger than the sum of its proper divisors (1).

7317344621 is an equidigital number, since it uses as much as digits as its factorization.

7317344621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 38.

The square root of 7317344621 is about 85541.4789502730. The cubic root of 7317344621 is about 1941.4125664505.

The spelling of 7317344621 in words is "seven billion, three hundred seventeen million, three hundred forty-four thousand, six hundred twenty-one".