6545323537 has 2 divisors, whose sum is σ = 6545323538. Its totient is φ = 6545323536.

The previous prime is 6545323507. The next prime is 6545323553. The reversal of 6545323537 is 7353235456.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5189905681 + 1355417856 = 72041^2 + 36816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6545323537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6545323493 and 6545323502.

It is not a weakly prime, because it can be changed into another prime (6545323507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272661768 + 3272661769.

It is an arithmetic number, because the mean of its divisors is an integer number (3272661769).

Almost surely, 2^6545323537 is an apocalyptic number.

It is an amenable number.

6545323537 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545323537 is an equidigital number, since it uses as much as digits as its factorization.

6545323537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 43.

The square root of 6545323537 is about 80903.1738376190. The cubic root of 6545323537 is about 1870.5832431043.

The spelling of 6545323537 in words is "six billion, five hundred forty-five million, three hundred twenty-three thousand, five hundred thirty-seven".