7275008009 has 2 divisors, whose sum is σ = 7275008010. Its totient is φ = 7275008008.

The previous prime is 7275007997. The next prime is 7275008023. The reversal of 7275008009 is 9008005727.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6884352784 + 390655225 = 82972^2 + 19765^2 .

It is a cyclic number.

It is not a de Polignac number, because 7275008009 - 2¹⁶ = 7274942473 is a prime.

It is not a weakly prime, because it can be changed into another prime (7275008309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3637504004 + 3637504005.

It is an arithmetic number, because the mean of its divisors is an integer number (3637504005).

Almost surely, 2^7275008009 is an apocalyptic number.

It is an amenable number.

7275008009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7275008009 is an equidigital number, since it uses as much as digits as its factorization.

7275008009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 7275008009 is about 85293.6574957365. The cubic root of 7275008009 is about 1937.6611209416.

The spelling of 7275008009 in words is "seven billion, two hundred seventy-five million, eight thousand, nine".