865735414361 has 2 divisors, whose sum is σ = 865735414362. Its totient is φ = 865735414360.

The previous prime is 865735414307. The next prime is 865735414417. The reversal of 865735414361 is 163414537568.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 863866149136 + 1869265225 = 929444^2 + 43235^2 .

It is a cyclic number.

It is not a de Polignac number, because 865735414361 - 2³⁴ = 848555545177 is a prime.

It is not a weakly prime, because it can be changed into another prime (865735414961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432867707180 + 432867707181.

It is an arithmetic number, because the mean of its divisors is an integer number (432867707181).

Almost surely, 2^865735414361 is an apocalyptic number.

It is an amenable number.

865735414361 is a deficient number, since it is larger than the sum of its proper divisors (1).

865735414361 is an equidigital number, since it uses as much as digits as its factorization.

865735414361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7257600, while the sum is 53.

The spelling of 865735414361 in words is "eight hundred sixty-five billion, seven hundred thirty-five million, four hundred fourteen thousand, three hundred sixty-one".