65045132644 has 12 divisors (see below), whose sum is σ = 113835717100. Its totient is φ = 32520642048.

The previous prime is 65045132599. The next prime is 65045132657. The reversal of 65045132644 is 44623154056.

It can be written as a sum of positive squares in 2 ways, for example, as 41914372900 + 23130759744 = 204730^2 + 152088^2 .

It is a junction number, because it is equal to n+sod(n) for n = 65045132597 and 65045132606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403629 + ... + 541300.

Almost surely, 2^65045132644 is an apocalyptic number.

It is an amenable number.

65045132644 is a deficient number, since it is larger than the sum of its proper divisors (48790584456).

65045132644 is a wasteful number, since it uses less digits than its factorization.

65045132644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962142 (or 962140 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 65045132644 in words is "sixty-five billion, forty-five million, one hundred thirty-two thousand, six hundred forty-four".