6263481449 has 4 divisors (see below), whose sum is σ = 6266321664. Its totient is φ = 6260641236.

The previous prime is 6263481431. The next prime is 6263481457. The reversal of 6263481449 is 9441843626.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9441843626 = 2 ⋅4720921813.

It is a cyclic number.

It is not a de Polignac number, because 6263481449 - 2²⁰ = 6262432873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6263481349) 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, 1416797 + ... + 1421210.

It is an arithmetic number, because the mean of its divisors is an integer number (1566580416).

Almost surely, 2^6263481449 is an apocalyptic number.

It is an amenable number.

6263481449 is a deficient number, since it is larger than the sum of its proper divisors (2840215).

6263481449 is a wasteful number, since it uses less digits than its factorization.

6263481449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840214.

The product of its digits is 995328, while the sum is 47.

The square root of 6263481449 is about 79142.1597443487. The cubic root of 6263481449 is about 1843.3392270550.

The spelling of 6263481449 in words is "six billion, two hundred sixty-three million, four hundred eighty-one thousand, four hundred forty-nine".