8474491249 has 9 divisors (see below), whose sum is σ = 9858831321. Its totient is φ = 7263297300.

The previous prime is 8474491241. The next prime is 8474491253. The reversal of 8474491249 is 9421944748.

The square root of 8474491249 is 92057.

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

It is not a de Polignac number, because 8474491249 - 2³ = 8474491241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8474491196 and 8474491205.

It is not an unprimeable number, because it can be changed into a prime (8474491241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 637824 + ... + 650974.

Almost surely, 2^8474491249 is an apocalyptic number.

8474491249 is the 92057-th square number.

8474491249 is the 46029-th centered octagonal number.

It is an amenable number.

8474491249 is a deficient number, since it is larger than the sum of its proper divisors (1384340072).

8474491249 is an frugal number, since it uses more digits than its factorization.

8474491249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26316 (or 13158 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The cubic root of 8474491249 is about 2038.7839774035.

The spelling of 8474491249 in words is "eight billion, four hundred seventy-four million, four hundred ninety-one thousand, two hundred forty-nine".