47121054089 has 2 divisors, whose sum is σ = 47121054090. Its totient is φ = 47121054088.

The previous prime is 47121054083. The next prime is 47121054131. The reversal of 47121054089 is 98045012174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38442268489 + 8678785600 = 196067^2 + 93160^2 .

It is a cyclic number.

It is not a de Polignac number, because 47121054089 - 2⁴ = 47121054073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47121054083) 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, 23560527044 + 23560527045.

It is an arithmetic number, because the mean of its divisors is an integer number (23560527045).

Almost surely, 2^47121054089 is an apocalyptic number.

It is an amenable number.

47121054089 is a deficient number, since it is larger than the sum of its proper divisors (1).

47121054089 is an equidigital number, since it uses as much as digits as its factorization.

47121054089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 47121054089 in words is "forty-seven billion, one hundred twenty-one million, fifty-four thousand, eighty-nine".