47373472681477 has 2 divisors, whose sum is σ = 47373472681478. Its totient is φ = 47373472681476.

The previous prime is 47373472681399. The next prime is 47373472681589. The reversal of 47373472681477 is 77418627437374.

47373472681477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46941805285281 + 431667396196 = 6851409^2 + 657014^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47373472681477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47373472684477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23686736340738 + 23686736340739.

It is an arithmetic number, because the mean of its divisors is an integer number (23686736340739).

Almost surely, 2^{47373472681477} is an apocalyptic number.

It is an amenable number.

47373472681477 is a deficient number, since it is larger than the sum of its proper divisors (1).

47373472681477 is an equidigital number, since it uses as much as digits as its factorization.

47373472681477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 929359872, while the sum is 70.

The spelling of 47373472681477 in words is "forty-seven trillion, three hundred seventy-three billion, four hundred seventy-two million, six hundred eighty-one thousand, four hundred seventy-seven".