47605974802649 has 2 divisors, whose sum is σ = 47605974802650. Its totient is φ = 47605974802648.

The previous prime is 47605974802619. The next prime is 47605974802751. The reversal of 47605974802649 is 94620847950674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35808638977024 + 11797335825625 = 5984032^2 + 3434725^2 .

It is a cyclic number.

It is not a de Polignac number, because 47605974802649 - 2¹² = 47605974798553 is a prime.

It is not a weakly prime, because it can be changed into another prime (47605974802619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23802987401324 + 23802987401325.

It is an arithmetic number, because the mean of its divisors is an integer number (23802987401325).

Almost surely, 2^{47605974802649} is an apocalyptic number.

It is an amenable number.

47605974802649 is a deficient number, since it is larger than the sum of its proper divisors (1).

47605974802649 is an equidigital number, since it uses as much as digits as its factorization.

47605974802649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 731566080, while the sum is 71.

The spelling of 47605974802649 in words is "forty-seven trillion, six hundred five billion, nine hundred seventy-four million, eight hundred two thousand, six hundred forty-nine".