2112474761 has 2 divisors, whose sum is σ = 2112474762. Its totient is φ = 2112474760.

The previous prime is 2112474751. The next prime is 2112474779. The reversal of 2112474761 is 1674742112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1794030736 + 318444025 = 42356^2 + 17845^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112474761 is a prime.

It is not a weakly prime, because it can be changed into another prime (2112474751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056237380 + 1056237381.

It is an arithmetic number, because the mean of its divisors is an integer number (1056237381).

Almost surely, 2^2112474761 is an apocalyptic number.

It is an amenable number.

2112474761 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112474761 is an equidigital number, since it uses as much as digits as its factorization.

2112474761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 35.

The square root of 2112474761 is about 45961.6662121816. Note that the first 3 decimals coincide. The cubic root of 2112474761 is about 1283.1098619298.

The spelling of 2112474761 in words is "two billion, one hundred twelve million, four hundred seventy-four thousand, seven hundred sixty-one".