2109053437 has 2 divisors, whose sum is σ = 2109053438. Its totient is φ = 2109053436.

The previous prime is 2109053423. The next prime is 2109053579. The reversal of 2109053437 is 7343509012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2107360836 + 1692601 = 45906^2 + 1301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2109053437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2109053237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054526718 + 1054526719.

It is an arithmetic number, because the mean of its divisors is an integer number (1054526719).

Almost surely, 2^2109053437 is an apocalyptic number.

It is an amenable number.

2109053437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2109053437 is an equidigital number, since it uses as much as digits as its factorization.

2109053437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 2109053437 is about 45924.4318092233. The cubic root of 2109053437 is about 1282.4167875110.

The spelling of 2109053437 in words is "two billion, one hundred nine million, fifty-three thousand, four hundred thirty-seven".