47128374547 has 2 divisors, whose sum is σ = 47128374548. Its totient is φ = 47128374546.

The previous prime is 47128374529. The next prime is 47128374571. The reversal of 47128374547 is 74547382174.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47128374547 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47128374494 and 47128374503.

It is not a weakly prime, because it can be changed into another prime (47128374947) 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, 23564187273 + 23564187274.

It is an arithmetic number, because the mean of its divisors is an integer number (23564187274).

Almost surely, 2^47128374547 is an apocalyptic number.

47128374547 is a deficient number, since it is larger than the sum of its proper divisors (1).

47128374547 is an equidigital number, since it uses as much as digits as its factorization.

47128374547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5268480, while the sum is 52.

The spelling of 47128374547 in words is "forty-seven billion, one hundred twenty-eight million, three hundred seventy-four thousand, five hundred forty-seven".