5423684389 has 2 divisors, whose sum is σ = 5423684390. Its totient is φ = 5423684388.

The previous prime is 5423684377. The next prime is 5423684411. The reversal of 5423684389 is 9834863245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5423144164 + 540225 = 73642^2 + 735^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5423684389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5423684339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2711842194 + 2711842195.

It is an arithmetic number, because the mean of its divisors is an integer number (2711842195).

Almost surely, 2^5423684389 is an apocalyptic number.

It is an amenable number.

5423684389 is a deficient number, since it is larger than the sum of its proper divisors (1).

5423684389 is an equidigital number, since it uses as much as digits as its factorization.

5423684389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 52.

The square root of 5423684389 is about 73645.6678223506. The cubic root of 5423684389 is about 1756.9718492561.

The spelling of 5423684389 in words is "five billion, four hundred twenty-three million, six hundred eighty-four thousand, three hundred eighty-nine".