65346504321 has 24 divisors (see below), whose sum is σ = 103710836064. Its totient is φ = 36472464000.

The previous prime is 65346504263. The next prime is 65346504329. The reversal of 65346504321 is 12340564356.

65346504321 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 65346504321 - 2⁷ = 65346504193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65346504321.

It is not an unprimeable number, because it can be changed into a prime (65346504329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5162680 + ... + 5175321.

It is an arithmetic number, because the mean of its divisors is an integer number (4321284836).

Almost surely, 2^65346504321 is an apocalyptic number.

It is an amenable number.

65346504321 is a deficient number, since it is larger than the sum of its proper divisors (38364331743).

65346504321 is a wasteful number, since it uses less digits than its factorization.

65346504321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10338061 (or 10338054 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 65346504321 in words is "sixty-five billion, three hundred forty-six million, five hundred four thousand, three hundred twenty-one".