2494863521 has 8 divisors (see below), whose sum is σ = 2606190720. Its totient is φ = 2383774272.

The previous prime is 2494863517. The next prime is 2494863593. The reversal of 2494863521 is 1253684942.

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 2494863521 - 2² = 2494863517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2494863421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37880 + ... + 80153.

It is an arithmetic number, because the mean of its divisors is an integer number (325773840).

Almost surely, 2^2494863521 is an apocalyptic number.

It is an amenable number.

2494863521 is a deficient number, since it is larger than the sum of its proper divisors (111327199).

2494863521 is a wasteful number, since it uses less digits than its factorization.

2494863521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118975.

The product of its digits is 414720, while the sum is 44.

The square root of 2494863521 is about 49948.6087994451. The cubic root of 2494863521 is about 1356.2786677143.

The spelling of 2494863521 in words is "two billion, four hundred ninety-four million, eight hundred sixty-three thousand, five hundred twenty-one".