2065943437 has 2 divisors, whose sum is σ = 2065943438. Its totient is φ = 2065943436.

The previous prime is 2065943431. The next prime is 2065943483. The reversal of 2065943437 is 7343495602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1854938761 + 211004676 = 43069^2 + 14526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065943437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2065943393 and 2065943402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2065943431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032971718 + 1032971719.

It is an arithmetic number, because the mean of its divisors is an integer number (1032971719).

Almost surely, 2^2065943437 is an apocalyptic number.

It is an amenable number.

2065943437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2065943437 is an equidigital number, since it uses as much as digits as its factorization.

2065943437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 2065943437 is about 45452.6504947731. The cubic root of 2065943437 is about 1273.6188426156.

The spelling of 2065943437 in words is "two billion, sixty-five million, nine hundred forty-three thousand, four hundred thirty-seven".