2491481441 has 8 divisors (see below), whose sum is σ = 2535308160. Its totient is φ = 2447708112.

The previous prime is 2491481407. The next prime is 2491481449. The reversal of 2491481441 is 1441841942.

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 2491481441 - 2¹⁴ = 2491465057 is a prime.

It is a super-3 number, since 3×2491481441³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2491481395 and 2491481404.

It is not an unprimeable number, because it can be changed into a prime (2491481449) 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, 87416 + ... + 112358.

It is an arithmetic number, because the mean of its divisors is an integer number (316913520).

Almost surely, 2^2491481441 is an apocalyptic number.

It is an amenable number.

2491481441 is a deficient number, since it is larger than the sum of its proper divisors (43826719).

2491481441 is a wasteful number, since it uses less digits than its factorization.

2491481441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26695.

The product of its digits is 36864, while the sum is 38.

The square root of 2491481441 is about 49914.7417202574. The cubic root of 2491481441 is about 1355.6655256542.

The spelling of 2491481441 in words is "two billion, four hundred ninety-one million, four hundred eighty-one thousand, four hundred forty-one".