47309655663 has 56 divisors (see below), whose sum is σ = 74788481280. Its totient is φ = 29830505040.

The previous prime is 47309655661. The next prime is 47309655727. The reversal of 47309655663 is 36655690374.

47309655663 is a `hidden beast` number, since 4 + 73 + 0 + 9 + 6 + 5 + 566 + 3 = 666.

It is not a de Polignac number, because 47309655663 - 2¹ = 47309655661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47309655661) 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 in 55 ways as a sum of consecutive naturals, for example, 9568570 + ... + 9573512.

Almost surely, 2^47309655663 is an apocalyptic number.

47309655663 is a deficient number, since it is larger than the sum of its proper divisors (27478825617).

47309655663 is an equidigital number, since it uses as much as digits as its factorization.

47309655663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671 (or 5656 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 54.

The spelling of 47309655663 in words is "forty-seven billion, three hundred nine million, six hundred fifty-five thousand, six hundred sixty-three".