65000793643 has 2 divisors, whose sum is σ = 65000793644. Its totient is φ = 65000793642.

The previous prime is 65000793631. The next prime is 65000793647. The reversal of 65000793643 is 34639700056.

65000793643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65000793643 is a prime.

It is a super-2 number, since 2×65000793643² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65000793643.

It is not a weakly prime, because it can be changed into another prime (65000793647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32500396821 + 32500396822.

It is an arithmetic number, because the mean of its divisors is an integer number (32500396822).

Almost surely, 2^65000793643 is an apocalyptic number.

65000793643 is a deficient number, since it is larger than the sum of its proper divisors (1).

65000793643 is an equidigital number, since it uses as much as digits as its factorization.

65000793643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 65000793643 in words is "sixty-five billion, seven hundred ninety-three thousand, six hundred forty-three".