65343040868 has 24 divisors (see below), whose sum is σ = 134901763584. Its totient is φ = 27100800000.

The previous prime is 65343040831. The next prime is 65343040883. The reversal of 65343040868 is 86804034356.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37639133 + ... + 37640868.

It is an arithmetic number, because the mean of its divisors is an integer number (5620906816).

Almost surely, 2^65343040868 is an apocalyptic number.

It is an amenable number.

65343040868 is an abundant number, since it is smaller than the sum of its proper divisors (69558722716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65343040868 is a wasteful number, since it uses less digits than its factorization.

65343040868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75280043 (or 75280041 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 47.

The spelling of 65343040868 in words is "sixty-five billion, three hundred forty-three million, forty thousand, eight hundred sixty-eight".