65980935269 has 2 divisors, whose sum is σ = 65980935270. Its totient is φ = 65980935268.

The previous prime is 65980935239. The next prime is 65980935299. The reversal of 65980935269 is 96253908956.

It is a balanced prime because it is at equal distance from previous prime (65980935239) and next prime (65980935299).

It can be written as a sum of positive squares in only one way, i.e., 36906252100 + 29074683169 = 192110^2 + 170513^2 .

It is a cyclic number.

It is not a de Polignac number, because 65980935269 - 2²⁴ = 65964158053 is a prime.

It is a super-2 number, since 2×65980935269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65980935239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32990467634 + 32990467635.

It is an arithmetic number, because the mean of its divisors is an integer number (32990467635).

Almost surely, 2^65980935269 is an apocalyptic number.

It is an amenable number.

65980935269 is a deficient number, since it is larger than the sum of its proper divisors (1).

65980935269 is an equidigital number, since it uses as much as digits as its factorization.

65980935269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31492800, while the sum is 62.

The spelling of 65980935269 in words is "sixty-five billion, nine hundred eighty million, nine hundred thirty-five thousand, two hundred sixty-nine".