2489271247 has 8 divisors (see below), whose sum is σ = 2567223296. Its totient is φ = 2412231192.

The previous prime is 2489271241. The next prime is 2489271251. The reversal of 2489271247 is 7421729842.

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

It is a cyclic number.

It is not a de Polignac number, because 2489271247 - 2¹¹ = 2489269199 is a prime.

It is a super-2 number, since 2×2489271247² = 12392942682281870018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2489271197 and 2489271206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2489271241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222453 + ... + 233374.

It is an arithmetic number, because the mean of its divisors is an integer number (320902912).

Almost surely, 2^2489271247 is an apocalyptic number.

2489271247 is a deficient number, since it is larger than the sum of its proper divisors (77952049).

2489271247 is a wasteful number, since it uses less digits than its factorization.

2489271247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455997.

The product of its digits is 451584, while the sum is 46.

The square root of 2489271247 is about 49892.5971162055. The cubic root of 2489271247 is about 1355.2645366148.

The spelling of 2489271247 in words is "two billion, four hundred eighty-nine million, two hundred seventy-one thousand, two hundred forty-seven".