65752545945 has 16 divisors (see below), whose sum is σ = 105644263680. Its totient is φ = 34921294464.

The previous prime is 65752545931. The next prime is 65752545949. The reversal of 65752545945 is 54954525756.

It is not a de Polignac number, because 65752545945 - 2⁵ = 65752545913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65752545949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9166924 + ... + 9174093.

It is an arithmetic number, because the mean of its divisors is an integer number (6602766480).

Almost surely, 2^65752545945 is an apocalyptic number.

It is an amenable number.

65752545945 is a deficient number, since it is larger than the sum of its proper divisors (39891717735).

65752545945 is a wasteful number, since it uses less digits than its factorization.

65752545945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18341264.

The product of its digits is 37800000, while the sum is 57.

The spelling of 65752545945 in words is "sixty-five billion, seven hundred fifty-two million, five hundred forty-five thousand, nine hundred forty-five".