4519874389 has 2 divisors, whose sum is σ = 4519874390. Its totient is φ = 4519874388.

The previous prime is 4519874377. The next prime is 4519874449. The reversal of 4519874389 is 9834789154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4426906225 + 92968164 = 66535^2 + 9642^2 .

It is a cyclic number.

It is not a de Polignac number, because 4519874389 - 2⁹ = 4519873877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4519874329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2259937194 + 2259937195.

It is an arithmetic number, because the mean of its divisors is an integer number (2259937195).

Almost surely, 2^4519874389 is an apocalyptic number.

It is an amenable number.

4519874389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4519874389 is an equidigital number, since it uses as much as digits as its factorization.

4519874389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8709120, while the sum is 58.

The square root of 4519874389 is about 67230.0110739244. The cubic root of 4519874389 is about 1653.3905656738.

The spelling of 4519874389 in words is "four billion, five hundred nineteen million, eight hundred seventy-four thousand, three hundred eighty-nine".