2112746437 has 2 divisors, whose sum is σ = 2112746438. Its totient is φ = 2112746436.

The previous prime is 2112746429. The next prime is 2112746507. The reversal of 2112746437 is 7346472112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1788782436 + 323964001 = 42294^2 + 17999^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112746437 - 2³ = 2112746429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2112746396 and 2112746405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112746737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056373218 + 1056373219.

It is an arithmetic number, because the mean of its divisors is an integer number (1056373219).

Almost surely, 2^2112746437 is an apocalyptic number.

It is an amenable number.

2112746437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112746437 is an equidigital number, since it uses as much as digits as its factorization.

2112746437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 37.

The square root of 2112746437 is about 45964.6215800805. The cubic root of 2112746437 is about 1283.1648645929.

The spelling of 2112746437 in words is "two billion, one hundred twelve million, seven hundred forty-six thousand, four hundred thirty-seven".