4854184921 has 2 divisors, whose sum is σ = 4854184922. Its totient is φ = 4854184920.

The previous prime is 4854184849. The next prime is 4854184997. The reversal of 4854184921 is 1294814584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2432462400 + 2421722521 = 49320^2 + 49211^2 .

It is a cyclic number.

It is not a de Polignac number, because 4854184921 - 2²⁹ = 4317314009 is a prime.

It is a super-2 number, since 2×4854184921² = 47126222494527552482, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4854184021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2427092460 + 2427092461.

It is an arithmetic number, because the mean of its divisors is an integer number (2427092461).

Almost surely, 2^4854184921 is an apocalyptic number.

It is an amenable number.

4854184921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4854184921 is an equidigital number, since it uses as much as digits as its factorization.

4854184921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 46.

The square root of 4854184921 is about 69671.9808890202. The cubic root of 4854184921 is about 1693.1890022537.

The spelling of 4854184921 in words is "four billion, eight hundred fifty-four million, one hundred eighty-four thousand, nine hundred twenty-one".