4493854251 has 12 divisors (see below), whose sum is σ = 6493877728. Its totient is φ = 2994631344.

The previous prime is 4493854247. The next prime is 4493854279. The reversal of 4493854251 is 1524583944.

It is not a de Polignac number, because 4493854251 - 2² = 4493854247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4493854197 and 4493854206.

It is not an unprimeable number, because it can be changed into a prime (4493854291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83320 + ... + 126213.

Almost surely, 2^4493854251 is an apocalyptic number.

4493854251 is a deficient number, since it is larger than the sum of its proper divisors (2000023477).

4493854251 is a wasteful number, since it uses less digits than its factorization.

4493854251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211922 (or 211919 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 4493854251 is about 67036.2159657002. The cubic root of 4493854251 is about 1650.2116962540.

The spelling of 4493854251 in words is "four billion, four hundred ninety-three million, eight hundred fifty-four thousand, two hundred fifty-one".