43342804664827 has 2 divisors, whose sum is σ = 43342804664828. Its totient is φ = 43342804664826.

The previous prime is 43342804664681. The next prime is 43342804664867. The reversal of 43342804664827 is 72846640824334.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43342804664827 is a prime.

It is not a weakly prime, because it can be changed into another prime (43342804664867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21671402332413 + 21671402332414.

It is an arithmetic number, because the mean of its divisors is an integer number (21671402332414).

Almost surely, 2^{43342804664827} is an apocalyptic number.

43342804664827 is a deficient number, since it is larger than the sum of its proper divisors (1).

43342804664827 is an equidigital number, since it uses as much as digits as its factorization.

43342804664827 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148635648, while the sum is 61.

The spelling of 43342804664827 in words is "forty-three trillion, three hundred forty-two billion, eight hundred four million, six hundred sixty-four thousand, eight hundred twenty-seven".