47403745121 has 2 divisors, whose sum is σ = 47403745122. Its totient is φ = 47403745120.

The previous prime is 47403745099. The next prime is 47403745133. The reversal of 47403745121 is 12154730474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46845840721 + 557904400 = 216439^2 + 23620^2 .

It is a cyclic number.

It is not a de Polignac number, because 47403745121 - 2⁶ = 47403745057 is a prime.

It is not a weakly prime, because it can be changed into another prime (47403745171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23701872560 + 23701872561.

It is an arithmetic number, because the mean of its divisors is an integer number (23701872561).

Almost surely, 2^47403745121 is an apocalyptic number.

It is an amenable number.

47403745121 is a deficient number, since it is larger than the sum of its proper divisors (1).

47403745121 is an equidigital number, since it uses as much as digits as its factorization.

47403745121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 47403745121 in words is "forty-seven billion, four hundred three million, seven hundred forty-five thousand, one hundred twenty-one".