7260145909 has 2 divisors, whose sum is σ = 7260145910. Its totient is φ = 7260145908.

The previous prime is 7260145903. The next prime is 7260145931. The reversal of 7260145909 is 9095410627.

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., 4054887684 + 3205258225 = 63678^2 + 56615^2 .

It is an emirp because it is prime and its reverse (9095410627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7260145909 - 2⁵ = 7260145877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7260145903) 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, 3630072954 + 3630072955.

It is an arithmetic number, because the mean of its divisors is an integer number (3630072955).

Almost surely, 2^7260145909 is an apocalyptic number.

It is an amenable number.

7260145909 is a deficient number, since it is larger than the sum of its proper divisors (1).

7260145909 is an equidigital number, since it uses as much as digits as its factorization.

7260145909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 7260145909 is about 85206.4898291204. The cubic root of 7260145909 is about 1936.3407399944.

The spelling of 7260145909 in words is "seven billion, two hundred sixty million, one hundred forty-five thousand, nine hundred nine".