47147618446 has 16 divisors (see below), whose sum is σ = 74178202176. Its totient is φ = 22448663136.

The previous prime is 47147618417. The next prime is 47147618461. The reversal of 47147618446 is 64481674174.

It is a junction number, because it is equal to n+sod(n) for n = 47147618393 and 47147618402.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6774501 + ... + 6781456.

It is an arithmetic number, because the mean of its divisors is an integer number (4636137636).

Almost surely, 2^47147618446 is an apocalyptic number.

47147618446 is a deficient number, since it is larger than the sum of its proper divisors (27030583730).

47147618446 is a wasteful number, since it uses less digits than its factorization.

47147618446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13556043.

The product of its digits is 3612672, while the sum is 52.

The spelling of 47147618446 in words is "forty-seven billion, one hundred forty-seven million, six hundred eighteen thousand, four hundred forty-six".