65433794856 has 64 divisors (see below), whose sum is σ = 172980057600. Its totient is φ = 20592844800.

The previous prime is 65433794849. The next prime is 65433794857. The reversal of 65433794856 is 65849733456.

It is a self number, because there is not a number n which added to its sum of digits gives 65433794856.

It is not an unprimeable number, because it can be changed into a prime (65433794857) 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 15 ways as a sum of consecutive naturals, for example, 1042041 + ... + 1103048.

It is an arithmetic number, because the mean of its divisors is an integer number (2702813400).

Almost surely, 2^65433794856 is an apocalyptic number.

It is an amenable number.

65433794856 is an abundant number, since it is smaller than the sum of its proper divisors (107546262744).

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

65433794856 is a wasteful number, since it uses less digits than its factorization.

65433794856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145170 (or 2145166 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 60.

The spelling of 65433794856 in words is "sixty-five billion, four hundred thirty-three million, seven hundred ninety-four thousand, eight hundred fifty-six".