2066562349837 has 2 divisors, whose sum is σ = 2066562349838. Its totient is φ = 2066562349836.

The previous prime is 2066562349829. The next prime is 2066562349843. The reversal of 2066562349837 is 7389432656602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2056439172841 + 10123176996 = 1434029^2 + 100614^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066562349837 - 2³ = 2066562349829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2066562349237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1033281174918 + 1033281174919.

It is an arithmetic number, because the mean of its divisors is an integer number (1033281174919).

Almost surely, 2^{2066562349837} is an apocalyptic number.

It is an amenable number.

2066562349837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2066562349837 is an equidigital number, since it uses as much as digits as its factorization.

2066562349837 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 78382080, while the sum is 61.

The spelling of 2066562349837 in words is "two trillion, sixty-six billion, five hundred sixty-two million, three hundred forty-nine thousand, eight hundred thirty-seven".