65948241181 has 2 divisors, whose sum is σ = 65948241182. Its totient is φ = 65948241180.

The previous prime is 65948241179. The next prime is 65948241211. The reversal of 65948241181 is 18114284956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34629860281 + 31318380900 = 186091^2 + 176970^2 .

It is a cyclic number.

It is not a de Polignac number, because 65948241181 - 2¹ = 65948241179 is a prime.

It is a super-2 number, since 2×65948241181² (a number of 22 digits) contains 22 as substring.

Together with 65948241179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65948241581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32974120590 + 32974120591.

It is an arithmetic number, because the mean of its divisors is an integer number (32974120591).

Almost surely, 2^65948241181 is an apocalyptic number.

It is an amenable number.

65948241181 is a deficient number, since it is larger than the sum of its proper divisors (1).

65948241181 is an equidigital number, since it uses as much as digits as its factorization.

65948241181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 49.

The spelling of 65948241181 in words is "sixty-five billion, nine hundred forty-eight million, two hundred forty-one thousand, one hundred eighty-one".