2491487483 has 4 divisors (see below), whose sum is σ = 2526578928. Its totient is φ = 2456396040.

The previous prime is 2491487473. The next prime is 2491487491. The reversal of 2491487483 is 3847841942.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2491487483 - 2¹² = 2491483387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2491487473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17545616 + ... + 17545757.

It is an arithmetic number, because the mean of its divisors is an integer number (631644732).

Almost surely, 2^2491487483 is an apocalyptic number.

2491487483 is a deficient number, since it is larger than the sum of its proper divisors (35091445).

2491487483 is an equidigital number, since it uses as much as digits as its factorization.

2491487483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35091444.

The product of its digits is 1548288, while the sum is 50.

The square root of 2491487483 is about 49914.8022434227. The cubic root of 2491487483 is about 1355.6666215115. Note that the first 4 decimals are identical.

The spelling of 2491487483 in words is "two billion, four hundred ninety-one million, four hundred eighty-seven thousand, four hundred eighty-three".