7345518319 has 2 divisors, whose sum is σ = 7345518320. Its totient is φ = 7345518318.

The previous prime is 7345518311. The next prime is 7345518353. The reversal of 7345518319 is 9138155437.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9138155437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7345518319 - 2³ = 7345518311 is a prime.

It is a super-2 number, since 2×7345518319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7345518311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672759159 + 3672759160.

It is an arithmetic number, because the mean of its divisors is an integer number (3672759160).

Almost surely, 2^7345518319 is an apocalyptic number.

7345518319 is a deficient number, since it is larger than the sum of its proper divisors (1).

7345518319 is an equidigital number, since it uses as much as digits as its factorization.

7345518319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 46.

The square root of 7345518319 is about 85705.9993174340. Note that the first 3 decimals coincide. The cubic root of 7345518319 is about 1943.9010248083.

The spelling of 7345518319 in words is "seven billion, three hundred forty-five million, five hundred eighteen thousand, three hundred nineteen".