65350454643 has 32 divisors (see below), whose sum is σ = 97774387200. Its totient is φ = 43136851968.

The previous prime is 65350454641. The next prime is 65350454717. The reversal of 65350454643 is 34645405356.

65350454643 is a `hidden beast` number, since 6 + 53 + 50 + 4 + 546 + 4 + 3 = 666.

It is not a de Polignac number, because 65350454643 - 2¹ = 65350454641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65350454641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1705843 + ... + 1743731.

It is an arithmetic number, because the mean of its divisors is an integer number (3055449600).

Almost surely, 2^65350454643 is an apocalyptic number.

65350454643 is a deficient number, since it is larger than the sum of its proper divisors (32423932557).

65350454643 is a wasteful number, since it uses less digits than its factorization.

65350454643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38528 (or 38522 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

Adding to 65350454643 its reverse (34645405356), we get a palindrome (99995859999).

The spelling of 65350454643 in words is "sixty-five billion, three hundred fifty million, four hundred fifty-four thousand, six hundred forty-three".