4117847491 has 8 divisors (see below), whose sum is σ = 4374959904. Its totient is φ = 3862389120.

The previous prime is 4117847479. The next prime is 4117847509. The reversal of 4117847491 is 1947487114.

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

It is not a de Polignac number, because 4117847491 - 2²¹ = 4115750339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4117847471) 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, 408375 + ... + 418336.

It is an arithmetic number, because the mean of its divisors is an integer number (546869988).

Almost surely, 2^4117847491 is an apocalyptic number.

4117847491 is a deficient number, since it is larger than the sum of its proper divisors (257112413).

4117847491 is a wasteful number, since it uses less digits than its factorization.

4117847491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827021.

The product of its digits is 225792, while the sum is 46.

The square root of 4117847491 is about 64170.4565279070. The cubic root of 4117847491 is about 1602.8396825360.

The spelling of 4117847491 in words is "four billion, one hundred seventeen million, eight hundred forty-seven thousand, four hundred ninety-one".