65823750441 has 8 divisors (see below), whose sum is σ = 97516667360. Its totient is φ = 43882500276.

The previous prime is 65823750437. The next prime is 65823750523. The reversal of 65823750441 is 14405732856.

65823750441 is a `hidden beast` number, since 65 + 82 + 3 + 7 + 504 + 4 + 1 = 666.

It is not a de Polignac number, because 65823750441 - 2² = 65823750437 is a prime.

It is a super-2 number, since 2×65823750441² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65823752441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1218958315 + ... + 1218958368.

It is an arithmetic number, because the mean of its divisors is an integer number (12189583420).

Almost surely, 2^65823750441 is an apocalyptic number.

It is an amenable number.

65823750441 is a deficient number, since it is larger than the sum of its proper divisors (31692916919).

65823750441 is a wasteful number, since it uses less digits than its factorization.

65823750441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2437916692 (or 2437916686 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 65823750441 in words is "sixty-five billion, eight hundred twenty-three million, seven hundred fifty thousand, four hundred forty-one".