7403404009 has 2 divisors, whose sum is σ = 7403404010. Its totient is φ = 7403404008.

The previous prime is 7403403971. The next prime is 7403404031. The reversal of 7403404009 is 9004043047.

7403404009 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7288378384 + 115025625 = 85372^2 + 10725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7403404009 is a prime.

It is not a weakly prime, because it can be changed into another prime (7403404709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3701702004 + 3701702005.

It is an arithmetic number, because the mean of its divisors is an integer number (3701702005).

Almost surely, 2^7403404009 is an apocalyptic number.

It is an amenable number.

7403404009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7403404009 is an equidigital number, since it uses as much as digits as its factorization.

7403404009 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 31.

The square root of 7403404009 is about 86043.0357960480. The cubic root of 7403404009 is about 1948.9939152847.

The spelling of 7403404009 in words is "seven billion, four hundred three million, four hundred four thousand, nine".