47312722673 has 2 divisors, whose sum is σ = 47312722674. Its totient is φ = 47312722672.

The previous prime is 47312722637. The next prime is 47312722687. The reversal of 47312722673 is 37622721374.

It is a happy number.

Together with previous prime (47312722637) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28060605169 + 19252117504 = 167513^2 + 138752^2 .

It is a cyclic number.

It is not a de Polignac number, because 47312722673 - 2²⁶ = 47245613809 is a prime.

It is not a weakly prime, because it can be changed into another prime (47312725673) 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, 23656361336 + 23656361337.

It is an arithmetic number, because the mean of its divisors is an integer number (23656361337).

Almost surely, 2^47312722673 is an apocalyptic number.

It is an amenable number.

47312722673 is a deficient number, since it is larger than the sum of its proper divisors (1).

47312722673 is an equidigital number, since it uses as much as digits as its factorization.

47312722673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 592704, while the sum is 44.

The spelling of 47312722673 in words is "forty-seven billion, three hundred twelve million, seven hundred twenty-two thousand, six hundred seventy-three".