2947113447 has 8 divisors (see below), whose sum is σ = 3932112000. Its totient is φ = 1963428600.

The previous prime is 2947113413. The next prime is 2947113467. The reversal of 2947113447 is 7443117492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2947113447 - 2¹⁰ = 2947112423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2947113399 and 2947113408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947113467) 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 7 ways as a sum of consecutive naturals, for example, 323179 + ... + 332172.

It is an arithmetic number, because the mean of its divisors is an integer number (491514000).

Almost surely, 2^2947113447 is an apocalyptic number.

2947113447 is a deficient number, since it is larger than the sum of its proper divisors (984998553).

2947113447 is a wasteful number, since it uses less digits than its factorization.

2947113447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656853.

The product of its digits is 169344, while the sum is 42.

The square root of 2947113447 is about 54287.3230782289. The cubic root of 2947113447 is about 1433.7242072553.

The spelling of 2947113447 in words is "two billion, nine hundred forty-seven million, one hundred thirteen thousand, four hundred forty-seven".