2146123234775 has 48 divisors (see below), whose sum is σ = 2965609251360. Its totient is φ = 1529723328000.

The previous prime is 2146123234747. The next prime is 2146123234793. The reversal of 2146123234775 is 5774323216412.

It is a de Polignac number, because none of the positive numbers 2^k-2146123234775 is a prime.

It is a super-2 number, since 2×2146123234775² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33266300 + ... + 33330750.

It is an arithmetic number, because the mean of its divisors is an integer number (61783526070).

Almost surely, 2^{2146123234775} is an apocalyptic number.

2146123234775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2146123234775 is a deficient number, since it is larger than the sum of its proper divisors (819486016585).

2146123234775 is a wasteful number, since it uses less digits than its factorization.

2146123234775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68036 (or 68031 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 47.

The spelling of 2146123234775 in words is "two trillion, one hundred forty-six billion, one hundred twenty-three million, two hundred thirty-four thousand, seven hundred seventy-five".