4855783421 has 2 divisors, whose sum is σ = 4855783422. Its totient is φ = 4855783420.

The previous prime is 4855783417. The next prime is 4855783481. The reversal of 4855783421 is 1243875584.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4790577796 + 65205625 = 69214^2 + 8075^2 .

It is a cyclic number.

It is not a de Polignac number, because 4855783421 - 2² = 4855783417 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4855783411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2427891710 + 2427891711.

It is an arithmetic number, because the mean of its divisors is an integer number (2427891711).

Almost surely, 2^4855783421 is an apocalyptic number.

It is an amenable number.

4855783421 is a deficient number, since it is larger than the sum of its proper divisors (1).

4855783421 is an equidigital number, since it uses as much as digits as its factorization.

4855783421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1075200, while the sum is 47.

The square root of 4855783421 is about 69683.4515577407. The cubic root of 4855783421 is about 1693.3748395347.

The spelling of 4855783421 in words is "four billion, eight hundred fifty-five million, seven hundred eighty-three thousand, four hundred twenty-one".