865929995941 has 2 divisors, whose sum is σ = 865929995942. Its totient is φ = 865929995940.

The previous prime is 865929995893. The next prime is 865929995963. The reversal of 865929995941 is 149599929568.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 853951569025 + 11978426916 = 924095^2 + 109446^2 .

It is a cyclic number.

It is not a de Polignac number, because 865929995941 - 2⁷ = 865929995813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (865929915941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432964997970 + 432964997971.

It is an arithmetic number, because the mean of its divisors is an integer number (432964997971).

Almost surely, 2^865929995941 is an apocalyptic number.

It is an amenable number.

865929995941 is a deficient number, since it is larger than the sum of its proper divisors (1).

865929995941 is an equidigital number, since it uses as much as digits as its factorization.

865929995941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 566870400, while the sum is 76.

The spelling of 865929995941 in words is "eight hundred sixty-five billion, nine hundred twenty-nine million, nine hundred ninety-five thousand, nine hundred forty-one".