65412335628 has 18 divisors (see below), whose sum is σ = 165347848484. Its totient is φ = 21804111864.

The previous prime is 65412335621. The next prime is 65412335629. The reversal of 65412335628 is 82653321456.

65412335628 is a `hidden beast` number, since 6 + 5 + 4 + 12 + 3 + 3 + 5 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (65412335621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 908504626 + ... + 908504697.

Almost surely, 2^65412335628 is an apocalyptic number.

It is an amenable number.

65412335628 is an abundant number, since it is smaller than the sum of its proper divisors (99935512856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65412335628 is a wasteful number, since it uses less digits than its factorization.

65412335628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817009333 (or 1817009328 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 65412335628 in words is "sixty-five billion, four hundred twelve million, three hundred thirty-five thousand, six hundred twenty-eight".