7408000409 has 2 divisors, whose sum is σ = 7408000410. Its totient is φ = 7408000408.

The previous prime is 7408000373. The next prime is 7408000441. The reversal of 7408000409 is 9040008047.

It is a happy number.

It is an a-pointer prime, because the next prime (7408000441) can be obtained adding 7408000409 to its sum of digits (32).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5383450384 + 2024550025 = 73372^2 + 44995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7408000409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7408000469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3704000204 + 3704000205.

It is an arithmetic number, because the mean of its divisors is an integer number (3704000205).

Almost surely, 2^7408000409 is an apocalyptic number.

It is an amenable number.

7408000409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7408000409 is an equidigital number, since it uses as much as digits as its factorization.

7408000409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 7408000409 is about 86069.7415413803. The cubic root of 7408000409 is about 1949.3971758358.

The spelling of 7408000409 in words is "seven billion, four hundred eight million, four hundred nine", and thus it is an aban number.