7345345289 has 2 divisors, whose sum is σ = 7345345290. Its totient is φ = 7345345288.

The previous prime is 7345345253. The next prime is 7345345307. The reversal of 7345345289 is 9825435437.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3967992064 + 3377353225 = 62992^2 + 58115^2 .

It is an emirp because it is prime and its reverse (9825435437) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7345345289 - 2²⁴ = 7328568073 is a prime.

It is not a weakly prime, because it can be changed into another prime (7345345219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672672644 + 3672672645.

It is an arithmetic number, because the mean of its divisors is an integer number (3672672645).

Almost surely, 2^7345345289 is an apocalyptic number.

It is an amenable number.

7345345289 is a deficient number, since it is larger than the sum of its proper divisors (1).

7345345289 is an equidigital number, since it uses as much as digits as its factorization.

7345345289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3628800, while the sum is 50.

The square root of 7345345289 is about 85704.9898722356. The cubic root of 7345345289 is about 1943.8857612685.

The spelling of 7345345289 in words is "seven billion, three hundred forty-five million, three hundred forty-five thousand, two hundred eighty-nine".