65304840357 has 12 divisors (see below), whose sum is σ = 97822888800. Its totient is φ = 43536560076.

The previous prime is 65304840353. The next prime is 65304840389. The reversal of 65304840357 is 75304840356.

65304840357 is a `hidden beast` number, since 6 + 530 + 4 + 84 + 0 + 35 + 7 = 666.

65304840357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 65304840357 - 2² = 65304840353 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65304840353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134371857 + ... + 134372342.

It is an arithmetic number, because the mean of its divisors is an integer number (8151907400).

Almost surely, 2^65304840357 is an apocalyptic number.

It is an amenable number.

65304840357 is a deficient number, since it is larger than the sum of its proper divisors (32518048443).

65304840357 is an equidigital number, since it uses as much as digits as its factorization.

65304840357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268744214 (or 268744202 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

Subtracting 65304840357 from its reverse (75304840356), we obtain a palindrome (9999999999).

The spelling of 65304840357 in words is "sixty-five billion, three hundred four million, eight hundred forty thousand, three hundred fifty-seven".