4471721876429 has 2 divisors, whose sum is σ = 4471721876430. Its totient is φ = 4471721876428.

The previous prime is 4471721876317. The next prime is 4471721876483. The reversal of 4471721876429 is 9246781271744.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3772160262025 + 699561614404 = 1942205^2 + 836398^2 .

It is a cyclic number.

It is not a de Polignac number, because 4471721876429 - 2⁸ = 4471721876173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4471721873429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235860938214 + 2235860938215.

It is an arithmetic number, because the mean of its divisors is an integer number (2235860938215).

Almost surely, 2^{4471721876429} is an apocalyptic number.

It is an amenable number.

4471721876429 is a deficient number, since it is larger than the sum of its proper divisors (1).

4471721876429 is an equidigital number, since it uses as much as digits as its factorization.

4471721876429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37933056, while the sum is 62.

The spelling of 4471721876429 in words is "four trillion, four hundred seventy-one billion, seven hundred twenty-one million, eight hundred seventy-six thousand, four hundred twenty-nine".