65180384197979 has 2 divisors, whose sum is σ = 65180384197980. Its totient is φ = 65180384197978.

The previous prime is 65180384197937. The next prime is 65180384197993. The reversal of 65180384197979 is 97979148308156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65180384197979 - 2³² = 65176089230683 is a prime.

It is not a weakly prime, because it can be changed into another prime (65180354197979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32590192098989 + 32590192098990.

It is an arithmetic number, because the mean of its divisors is an integer number (32590192098990).

Almost surely, 2^{65180384197979} is an apocalyptic number.

65180384197979 is a deficient number, since it is larger than the sum of its proper divisors (1).

65180384197979 is an equidigital number, since it uses as much as digits as its factorization.

65180384197979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 823011840, while the sum is 77.

The spelling of 65180384197979 in words is "sixty-five trillion, one hundred eighty billion, three hundred eighty-four million, one hundred ninety-seven thousand, nine hundred seventy-nine".