7200404609 has 2 divisors, whose sum is σ = 7200404610. Its totient is φ = 7200404608.

The previous prime is 7200404593. The next prime is 7200404671. The reversal of 7200404609 is 9064040027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7174598209 + 25806400 = 84703^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 7200404609 - 2⁴ = 7200404593 is a prime.

It is not a weakly prime, because it can be changed into another prime (7203404609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600202304 + 3600202305.

It is an arithmetic number, because the mean of its divisors is an integer number (3600202305).

Almost surely, 2^7200404609 is an apocalyptic number.

It is an amenable number.

7200404609 is a deficient number, since it is larger than the sum of its proper divisors (1).

7200404609 is an equidigital number, since it uses as much as digits as its factorization.

7200404609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 7200404609 is about 84855.1978902884. The cubic root of 7200404609 is about 1931.0149394314.

The spelling of 7200404609 in words is "seven billion, two hundred million, four hundred four thousand, six hundred nine".