2243521434971 has 2 divisors, whose sum is σ = 2243521434972. Its totient is φ = 2243521434970.

The previous prime is 2243521434941. The next prime is 2243521435007. The reversal of 2243521434971 is 1794341253422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2243521434971 - 2⁶ = 2243521434907 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243521434941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121760717485 + 1121760717486.

It is an arithmetic number, because the mean of its divisors is an integer number (1121760717486).

Almost surely, 2^{2243521434971} is an apocalyptic number.

2243521434971 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243521434971 is an equidigital number, since it uses as much as digits as its factorization.

2243521434971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The spelling of 2243521434971 in words is "two trillion, two hundred forty-three billion, five hundred twenty-one million, four hundred thirty-four thousand, nine hundred seventy-one".