65073054681 has 24 divisors (see below), whose sum is σ = 99262852416. Its totient is φ = 40995900000.

The previous prime is 65073054677. The next prime is 65073054689. The reversal of 65073054681 is 18645037056.

65073054681 is a `hidden beast` number, since 6 + 507 + 30 + 54 + 68 + 1 = 666.

It is not a de Polignac number, because 65073054681 - 2² = 65073054677 is a prime.

It is a super-2 number, since 2×65073054681² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (65073054689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1876570 + ... + 1910931.

It is an arithmetic number, because the mean of its divisors is an integer number (4135952184).

Almost surely, 2^65073054681 is an apocalyptic number.

It is an amenable number.

65073054681 is a deficient number, since it is larger than the sum of its proper divisors (34189797735).

65073054681 is a wasteful number, since it uses less digits than its factorization.

65073054681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787613 (or 3787610 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 65073054681 in words is "sixty-five billion, seventy-three million, fifty-four thousand, six hundred eighty-one".