47668922729 has 2 divisors, whose sum is σ = 47668922730. Its totient is φ = 47668922728.

The previous prime is 47668922723. The next prime is 47668922779. The reversal of 47668922729 is 92722986674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47633935504 + 34987225 = 218252^2 + 5915^2 .

It is a cyclic number.

It is not a de Polignac number, because 47668922729 - 2⁸ = 47668922473 is a prime.

It is not a weakly prime, because it can be changed into another prime (47668922723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23834461364 + 23834461365.

It is an arithmetic number, because the mean of its divisors is an integer number (23834461365).

Almost surely, 2^47668922729 is an apocalyptic number.

It is an amenable number.

47668922729 is a deficient number, since it is larger than the sum of its proper divisors (1).

47668922729 is an equidigital number, since it uses as much as digits as its factorization.

47668922729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 62.

The spelling of 47668922729 in words is "forty-seven billion, six hundred sixty-eight million, nine hundred twenty-two thousand, seven hundred twenty-nine".