65053043604 has 18 divisors (see below), whose sum is σ = 164439638090. Its totient is φ = 21684347856.

The previous prime is 65053043603. The next prime is 65053043611. The reversal of 65053043604 is 40634035056.

65053043604 is a `hidden beast` number, since 6 + 5 + 0 + 5 + 3 + 0 + 43 + 604 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64896543504 + 156500100 = 254748^2 + 12510^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1807028989 = 65053043604 / (6 + 5 + 0 + 5 + 3 + 0 + 4 + 3 + 6 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65053043603) 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, 903514459 + ... + 903514530.

Almost surely, 2^65053043604 is an apocalyptic number.

It is an amenable number.

65053043604 is an abundant number, since it is smaller than the sum of its proper divisors (99386594486).

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

65053043604 is a wasteful number, since it uses less digits than its factorization.

65053043604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807028999 (or 1807028994 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 65053043604 in words is "sixty-five billion, fifty-three million, forty-three thousand, six hundred four".