8471913849 has 63 divisors (see below), whose sum is σ = 14806268757. Its totient is φ = 4831152984.

The previous prime is 8471913847. The next prime is 8471913851. The reversal of 8471913849 is 9483191748.

The square root of 8471913849 is 92043.

It is a perfect power (a square), and thus also a powerful number.

8471913849 is a `hidden beast` number, since 8 + 471 + 91 + 3 + 84 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (8471913847) and next prime (8471913851).

It is a tau number, because it is divible by the number of its divisors (63).

It is not a de Polignac number, because 8471913849 - 2¹ = 8471913847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8471913795 and 8471913804.

It is not an unprimeable number, because it can be changed into a prime (8471913847) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 17395884 + ... + 17396370.

It is an arithmetic number, because the mean of its divisors is an integer number (235020139).

Almost surely, 2^8471913849 is an apocalyptic number.

8471913849 is the 92043-rd square number.

8471913849 is the 46022-nd centered octagonal number.

It is an amenable number.

8471913849 is a deficient number, since it is larger than the sum of its proper divisors (6334354908).

8471913849 is an frugal number, since it uses more digits than its factorization.

8471913849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 497 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The cubic root of 8471913849 is about 2038.5772670740.

The spelling of 8471913849 in words is "eight billion, four hundred seventy-one million, nine hundred thirteen thousand, eight hundred forty-nine".