43442884601 has 2 divisors, whose sum is σ = 43442884602. Its totient is φ = 43442884600.

The previous prime is 43442884561. The next prime is 43442884603. The reversal of 43442884601 is 10648824434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40300161001 + 3142723600 = 200749^2 + 56060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43442884601 is a prime.

Together with 43442884603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43442884603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21721442300 + 21721442301.

It is an arithmetic number, because the mean of its divisors is an integer number (21721442301).

Almost surely, 2^43442884601 is an apocalyptic number.

It is an amenable number.

43442884601 is a deficient number, since it is larger than the sum of its proper divisors (1).

43442884601 is an equidigital number, since it uses as much as digits as its factorization.

43442884601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 589824, while the sum is 44.

The spelling of 43442884601 in words is "forty-three billion, four hundred forty-two million, eight hundred eighty-four thousand, six hundred one".