2112457873 has 2 divisors, whose sum is σ = 2112457874. Its totient is φ = 2112457872.

The previous prime is 2112457813. The next prime is 2112457969. The reversal of 2112457873 is 3787542112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2098372864 + 14085009 = 45808^2 + 3753^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112457873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112457813) 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 as a sum of consecutive naturals, namely, 1056228936 + 1056228937.

It is an arithmetic number, because the mean of its divisors is an integer number (1056228937).

Almost surely, 2^2112457873 is an apocalyptic number.

It is an amenable number.

2112457873 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112457873 is an equidigital number, since it uses as much as digits as its factorization.

2112457873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 2112457873 is about 45961.4824934967. The cubic root of 2112457873 is about 1283.1064426831.

Adding to 2112457873 its reverse (3787542112), we get a palindrome (5899999985).

The spelling of 2112457873 in words is "two billion, one hundred twelve million, four hundred fifty-seven thousand, eight hundred seventy-three".