65334907999 has 4 divisors (see below), whose sum is σ = 65532294760. Its totient is φ = 65137521240.

The previous prime is 65334907993. The next prime is 65334908003. The reversal of 65334907999 is 99970943356.

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 65334907999 - 2³¹ = 63187424351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65334907999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65334907993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98692884 + ... + 98693545.

It is an arithmetic number, because the mean of its divisors is an integer number (16383073690).

Almost surely, 2^65334907999 is an apocalyptic number.

65334907999 is a deficient number, since it is larger than the sum of its proper divisors (197386761).

65334907999 is a wasteful number, since it uses less digits than its factorization.

65334907999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197386760.

The product of its (nonzero) digits is 49601160, while the sum is 64.

The spelling of 65334907999 in words is "sixty-five billion, three hundred thirty-four million, nine hundred seven thousand, nine hundred ninety-nine".