65361612361 has 2 divisors, whose sum is σ = 65361612362. Its totient is φ = 65361612360.

The previous prime is 65361612191. The next prime is 65361612373. The reversal of 65361612361 is 16321616356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43950606736 + 21411005625 = 209644^2 + 146325^2 .

It is a cyclic number.

It is not a de Polignac number, because 65361612361 - 2¹¹ = 65361610313 is a prime.

It is not a weakly prime, because it can be changed into another prime (65361612961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32680806180 + 32680806181.

It is an arithmetic number, because the mean of its divisors is an integer number (32680806181).

Almost surely, 2^65361612361 is an apocalyptic number.

It is an amenable number.

65361612361 is a deficient number, since it is larger than the sum of its proper divisors (1).

65361612361 is an equidigital number, since it uses as much as digits as its factorization.

65361612361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 40.

The spelling of 65361612361 in words is "sixty-five billion, three hundred sixty-one million, six hundred twelve thousand, three hundred sixty-one".