47821176329 has 2 divisors, whose sum is σ = 47821176330. Its totient is φ = 47821176328.

The previous prime is 47821176313. The next prime is 47821176331. The reversal of 47821176329 is 92367112874.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47721276304 + 99900025 = 218452^2 + 9995^2 .

It is a cyclic number.

It is not a de Polignac number, because 47821176329 - 2⁴ = 47821176313 is a prime.

Together with 47821176331, 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 (47821176379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23910588164 + 23910588165.

It is an arithmetic number, because the mean of its divisors is an integer number (23910588165).

Almost surely, 2^47821176329 is an apocalyptic number.

It is an amenable number.

47821176329 is a deficient number, since it is larger than the sum of its proper divisors (1).

47821176329 is an equidigital number, since it uses as much as digits as its factorization.

47821176329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The spelling of 47821176329 in words is "forty-seven billion, eight hundred twenty-one million, one hundred seventy-six thousand, three hundred twenty-nine".