47773291663 has 2 divisors, whose sum is σ = 47773291664. Its totient is φ = 47773291662.

The previous prime is 47773291619. The next prime is 47773291721. The reversal of 47773291663 is 36619237774.

47773291663 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 is a cyclic number.

It is not a de Polignac number, because 47773291663 - 2⁹ = 47773291151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47773291603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23886645831 + 23886645832.

It is an arithmetic number, because the mean of its divisors is an integer number (23886645832).

Almost surely, 2^47773291663 is an apocalyptic number.

47773291663 is a deficient number, since it is larger than the sum of its proper divisors (1).

47773291663 is an equidigital number, since it uses as much as digits as its factorization.

47773291663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8001504, while the sum is 55.

The spelling of 47773291663 in words is "forty-seven billion, seven hundred seventy-three million, two hundred ninety-one thousand, six hundred sixty-three".