47438321547 has 32 divisors (see below), whose sum is σ = 65802240000. Its totient is φ = 30366900000.

The previous prime is 47438321521. The next prime is 47438321549. The reversal of 47438321547 is 74512383474.

It is not a de Polignac number, because 47438321547 - 2¹¹ = 47438319499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47438321496 and 47438321505.

It is not an unprimeable number, because it can be changed into a prime (47438321549) 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 in 31 ways as a sum of consecutive naturals, for example, 6322204 + ... + 6329702.

It is an arithmetic number, because the mean of its divisors is an integer number (2056320000).

Almost surely, 2^47438321547 is an apocalyptic number.

47438321547 is a deficient number, since it is larger than the sum of its proper divisors (18363918453).

47438321547 is a wasteful number, since it uses less digits than its factorization.

47438321547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8055.

The product of its digits is 2257920, while the sum is 48.

The spelling of 47438321547 in words is "forty-seven billion, four hundred thirty-eight million, three hundred twenty-one thousand, five hundred forty-seven".