65346611377 has 2 divisors, whose sum is σ = 65346611378. Its totient is φ = 65346611376.

The previous prime is 65346611359. The next prime is 65346611413. The reversal of 65346611377 is 77311664356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33761857536 + 31584753841 = 183744^2 + 177721^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65346611377 is a prime.

It is a super-2 number, since 2×65346611377² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65346611377.

It is not a weakly prime, because it can be changed into another prime (65346611357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32673305688 + 32673305689.

It is an arithmetic number, because the mean of its divisors is an integer number (32673305689).

Almost surely, 2^65346611377 is an apocalyptic number.

It is an amenable number.

65346611377 is a deficient number, since it is larger than the sum of its proper divisors (1).

65346611377 is an equidigital number, since it uses as much as digits as its factorization.

65346611377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The spelling of 65346611377 in words is "sixty-five billion, three hundred forty-six million, six hundred eleven thousand, three hundred seventy-seven".