7500673409 has 2 divisors, whose sum is σ = 7500673410. Its totient is φ = 7500673408.

The previous prime is 7500673391. The next prime is 7500673421. The reversal of 7500673409 is 9043760057.

7500673409 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., 7251033409 + 249640000 = 85153^2 + 15800^2 .

It is a cyclic number.

It is not a de Polignac number, because 7500673409 - 2²⁸ = 7232237953 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 (7500673489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3750336704 + 3750336705.

It is an arithmetic number, because the mean of its divisors is an integer number (3750336705).

Almost surely, 2^7500673409 is an apocalyptic number.

It is an amenable number.

7500673409 is a deficient number, since it is larger than the sum of its proper divisors (1).

7500673409 is an equidigital number, since it uses as much as digits as its factorization.

7500673409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 7500673409 is about 86606.4282198498. The cubic root of 7500673409 is about 1957.4924034334.

The spelling of 7500673409 in words is "seven billion, five hundred million, six hundred seventy-three thousand, four hundred nine".