65365116980237 has 2 divisors, whose sum is σ = 65365116980238. Its totient is φ = 65365116980236.

The previous prime is 65365116980201. The next prime is 65365116980249. The reversal of 65365116980237 is 73208961156356.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54592207931716 + 10772909048521 = 7388654^2 + 3282211^2 .

It is a cyclic number.

It is not a de Polignac number, because 65365116980237 - 2²² = 65365112785933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65365116980237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65365116980437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32682558490118 + 32682558490119.

It is an arithmetic number, because the mean of its divisors is an integer number (32682558490119).

Almost surely, 2^{65365116980237} is an apocalyptic number.

It is an amenable number.

65365116980237 is a deficient number, since it is larger than the sum of its proper divisors (1).

65365116980237 is an equidigital number, since it uses as much as digits as its factorization.

65365116980237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 65365116980237 in words is "sixty-five trillion, three hundred sixty-five billion, one hundred sixteen million, nine hundred eighty thousand, two hundred thirty-seven".