47627554721 has 2 divisors, whose sum is σ = 47627554722. Its totient is φ = 47627554720.

The previous prime is 47627554703. The next prime is 47627554753. The reversal of 47627554721 is 12745572674.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46995736225 + 631818496 = 216785^2 + 25136^2 .

It is a cyclic number.

It is not a de Polignac number, because 47627554721 - 2³⁴ = 30447685537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47627554721.

It is not a weakly prime, because it can be changed into another prime (47627554421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23813777360 + 23813777361.

It is an arithmetic number, because the mean of its divisors is an integer number (23813777361).

Almost surely, 2^47627554721 is an apocalyptic number.

It is an amenable number.

47627554721 is a deficient number, since it is larger than the sum of its proper divisors (1).

47627554721 is an equidigital number, since it uses as much as digits as its factorization.

47627554721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3292800, while the sum is 50.

The spelling of 47627554721 in words is "forty-seven billion, six hundred twenty-seven million, five hundred fifty-four thousand, seven hundred twenty-one".