47438919556 has 48 divisors (see below), whose sum is σ = 96531886080. Its totient is φ = 19976856480.

The previous prime is 47438919533. The next prime is 47438919569. The reversal of 47438919556 is 65591983474.

It is a junction number, because it is equal to n+sod(n) for n = 47438919494 and 47438919503.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4274791 + ... + 4285873.

It is an arithmetic number, because the mean of its divisors is an integer number (2011080960).

Almost surely, 2^47438919556 is an apocalyptic number.

It is an amenable number.

47438919556 is an abundant number, since it is smaller than the sum of its proper divisors (49092966524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47438919556 is a wasteful number, since it uses less digits than its factorization.

47438919556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13744 (or 13742 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 61.

The spelling of 47438919556 in words is "forty-seven billion, four hundred thirty-eight million, nine hundred nineteen thousand, five hundred fifty-six".