6509432693 has 2 divisors, whose sum is σ = 6509432694. Its totient is φ = 6509432692.

The previous prime is 6509432603. The next prime is 6509432717. The reversal of 6509432693 is 3962349056.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3500142244 + 3009290449 = 59162^2 + 54857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6509432693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6509432603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3254716346 + 3254716347.

It is an arithmetic number, because the mean of its divisors is an integer number (3254716347).

Almost surely, 2^6509432693 is an apocalyptic number.

It is an amenable number.

6509432693 is a deficient number, since it is larger than the sum of its proper divisors (1).

6509432693 is an equidigital number, since it uses as much as digits as its factorization.

6509432693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 47.

The square root of 6509432693 is about 80681.0553537818. The cubic root of 6509432693 is about 1867.1579018616.

The spelling of 6509432693 in words is "six billion, five hundred nine million, four hundred thirty-two thousand, six hundred ninety-three".