65335390612 has 6 divisors (see below), whose sum is σ = 114336933578. Its totient is φ = 32667695304.

The previous prime is 65335390609. The next prime is 65335390639. The reversal of 65335390612 is 21609353356.

It can be written as a sum of positive squares in only one way, i.e., 59889836176 + 5445554436 = 244724^2 + 73794^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8166923823 + ... + 8166923830.

Almost surely, 2^65335390612 is an apocalyptic number.

It is an amenable number.

65335390612 is a deficient number, since it is larger than the sum of its proper divisors (49001542966).

65335390612 is a wasteful number, since it uses less digits than its factorization.

65335390612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16333847657 (or 16333847655 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 43.

The spelling of 65335390612 in words is "sixty-five billion, three hundred thirty-five million, three hundred ninety thousand, six hundred twelve".