2097023834881 has 4 divisors (see below), whose sum is σ = 2111097820500. Its totient is φ = 2082949849264.

The previous prime is 2097023834827. The next prime is 2097023834887. The reversal of 2097023834881 is 1884383207902.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 178269728400 + 1918754106481 = 422220^2 + 1385191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2097023834881 - 2¹¹ = 2097023832833 is a prime.

It is a super-3 number, since 3×2097023834881³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2097023834887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7036992586 + ... + 7036992883.

It is an arithmetic number, because the mean of its divisors is an integer number (527774455125).

Almost surely, 2^{2097023834881} is an apocalyptic number.

It is an amenable number.

2097023834881 is a deficient number, since it is larger than the sum of its proper divisors (14073985619).

2097023834881 is a wasteful number, since it uses less digits than its factorization.

2097023834881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14073985618.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 2097023834881 in words is "two trillion, ninety-seven billion, twenty-three million, eight hundred thirty-four thousand, eight hundred eighty-one".