4434037066861 has 2 divisors, whose sum is σ = 4434037066862. Its totient is φ = 4434037066860.

The previous prime is 4434037066843. The next prime is 4434037066867. The reversal of 4434037066861 is 1686607304344.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3962368924900 + 471668141961 = 1990570^2 + 686781^2 .

It is a cyclic number.

It is not a de Polignac number, because 4434037066861 - 2¹³ = 4434037058669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4434037066799 and 4434037066808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4434037066867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2217018533430 + 2217018533431.

It is an arithmetic number, because the mean of its divisors is an integer number (2217018533431).

Almost surely, 2^{4434037066861} is an apocalyptic number.

It is an amenable number.

4434037066861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4434037066861 is an equidigital number, since it uses as much as digits as its factorization.

4434037066861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 4434037066861 in words is "four trillion, four hundred thirty-four billion, thirty-seven million, sixty-six thousand, eight hundred sixty-one".