2112293749 has 2 divisors, whose sum is σ = 2112293750. Its totient is φ = 2112293748.

The previous prime is 2112293731. The next prime is 2112293761. The reversal of 2112293749 is 9473922112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1966922500 + 145371249 = 44350^2 + 12057^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112293749 - 2⁷ = 2112293621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112293789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056146874 + 1056146875.

It is an arithmetic number, because the mean of its divisors is an integer number (1056146875).

Almost surely, 2^2112293749 is an apocalyptic number.

It is an amenable number.

2112293749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112293749 is an equidigital number, since it uses as much as digits as its factorization.

2112293749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 2112293749 is about 45959.6970072693. The cubic root of 2112293749 is about 1283.0732121955.

The spelling of 2112293749 in words is "two billion, one hundred twelve million, two hundred ninety-three thousand, seven hundred forty-nine".