2073718332081 has 12 divisors (see below), whose sum is σ = 3267677371920. Its totient is φ = 1256798989080.

The previous prime is 2073718332079. The next prime is 2073718332107. The reversal of 2073718332081 is 1802338173702.

It is a happy number.

2073718332081 is a `hidden beast` number, since 2 + 0 + 73 + 7 + 183 + 320 + 81 = 666.

It is not a de Polignac number, because 2073718332081 - 2¹ = 2073718332079 is a prime.

It is a super-2 number, since 2×2073718332081² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2073718332031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10473324811 + ... + 10473325008.

It is an arithmetic number, because the mean of its divisors is an integer number (272306447660).

Almost surely, 2^{2073718332081} is an apocalyptic number.

It is an amenable number.

2073718332081 is a deficient number, since it is larger than the sum of its proper divisors (1193959039839).

2073718332081 is a wasteful number, since it uses less digits than its factorization.

2073718332081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20946649836 (or 20946649833 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 2073718332081 in words is "two trillion, seventy-three billion, seven hundred eighteen million, three hundred thirty-two thousand, eighty-one".