65012290799 has 16 divisors (see below), whose sum is σ = 68878671840. Its totient is φ = 61269936000.

The previous prime is 65012290793. The next prime is 65012290831. The reversal of 65012290799 is 99709221056.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65012290799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65012290793) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 91469 + ... + 372009.

It is an arithmetic number, because the mean of its divisors is an integer number (4304916990).

Almost surely, 2^65012290799 is an apocalyptic number.

65012290799 is a deficient number, since it is larger than the sum of its proper divisors (3866381041).

65012290799 is a wasteful number, since it uses less digits than its factorization.

65012290799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280762.

The product of its (nonzero) digits is 612360, while the sum is 50.

The spelling of 65012290799 in words is "sixty-five billion, twelve million, two hundred ninety thousand, seven hundred ninety-nine".