65196095028509 has 2 divisors, whose sum is σ = 65196095028510. Its totient is φ = 65196095028508.

The previous prime is 65196095028443. The next prime is 65196095028527. The reversal of 65196095028509 is 90582059069156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53427284503609 + 11768810524900 = 7309397^2 + 3430570^2 .

It is a cyclic number.

It is not a de Polignac number, because 65196095028509 - 2¹² = 65196095024413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65196095028569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32598047514254 + 32598047514255.

It is an arithmetic number, because the mean of its divisors is an integer number (32598047514255).

Almost surely, 2^{65196095028509} is an apocalyptic number.

It is an amenable number.

65196095028509 is a deficient number, since it is larger than the sum of its proper divisors (1).

65196095028509 is an equidigital number, since it uses as much as digits as its factorization.

65196095028509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52488000, while the sum is 65.

The spelling of 65196095028509 in words is "sixty-five trillion, one hundred ninety-six billion, ninety-five million, twenty-eight thousand, five hundred nine".