65042525747 has 4 divisors (see below), whose sum is σ = 66628928856. Its totient is φ = 63456122640.

The previous prime is 65042525731. The next prime is 65042525753. The reversal of 65042525747 is 74752524056.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65042525747 - 2⁴ = 65042525731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65042525767) 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 3 ways as a sum of consecutive naturals, for example, 793201493 + ... + 793201574.

It is an arithmetic number, because the mean of its divisors is an integer number (16657232214).

Almost surely, 2^65042525747 is an apocalyptic number.

65042525747 is a deficient number, since it is larger than the sum of its proper divisors (1586403109).

65042525747 is a wasteful number, since it uses less digits than its factorization.

65042525747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1586403108.

The product of its (nonzero) digits is 2352000, while the sum is 47.

The spelling of 65042525747 in words is "sixty-five billion, forty-two million, five hundred twenty-five thousand, seven hundred forty-seven".