65336408985 has 8 divisors (see below), whose sum is σ = 104538254400. Its totient is φ = 34846084784.

The previous prime is 65336408933. The next prime is 65336408989. The reversal of 65336408985 is 58980463356.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65336408985 - 2¹¹ = 65336406937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65336408989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2177880285 + ... + 2177880314.

It is an arithmetic number, because the mean of its divisors is an integer number (13067281800).

Almost surely, 2^65336408985 is an apocalyptic number.

It is an amenable number.

65336408985 is a deficient number, since it is larger than the sum of its proper divisors (39201845415).

65336408985 is a wasteful number, since it uses less digits than its factorization.

65336408985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4355760607.

The product of its (nonzero) digits is 18662400, while the sum is 57.

The spelling of 65336408985 in words is "sixty-five billion, three hundred thirty-six million, four hundred eight thousand, nine hundred eighty-five".