47606412176221 has 2 divisors, whose sum is σ = 47606412176222. Its totient is φ = 47606412176220.

The previous prime is 47606412176153. The next prime is 47606412176251. The reversal of 47606412176221 is 12267121460674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36299239263225 + 11307172912996 = 6024885^2 + 3362614^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47606412176221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47606412176251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23803206088110 + 23803206088111.

It is an arithmetic number, because the mean of its divisors is an integer number (23803206088111).

Almost surely, 2^{47606412176221} is an apocalyptic number.

It is an amenable number.

47606412176221 is a deficient number, since it is larger than the sum of its proper divisors (1).

47606412176221 is an equidigital number, since it uses as much as digits as its factorization.

47606412176221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 47606412176221 in words is "forty-seven trillion, six hundred six billion, four hundred twelve million, one hundred seventy-six thousand, two hundred twenty-one".