865466412043 has 4 divisors (see below), whose sum is σ = 865472530320. Its totient is φ = 865460293768.

The previous prime is 865466412011. The next prime is 865466412053. The reversal of 865466412043 is 340214664568.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 865466412043 - 2⁵ = 865466412011 is a prime.

It is a super-2 number, since 2×865466412043² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (865466412053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2841808 + ... + 3131581.

It is an arithmetic number, because the mean of its divisors is an integer number (216368132580).

Almost surely, 2^865466412043 is an apocalyptic number.

865466412043 is a deficient number, since it is larger than the sum of its proper divisors (6118277).

865466412043 is a wasteful number, since it uses less digits than its factorization.

865466412043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6118276.

The product of its (nonzero) digits is 3317760, while the sum is 49.

The spelling of 865466412043 in words is "eight hundred sixty-five billion, four hundred sixty-six million, four hundred twelve thousand, forty-three".