5243034389 has 2 divisors, whose sum is σ = 5243034390. Its totient is φ = 5243034388.

The previous prime is 5243034359. The next prime is 5243034409. The reversal of 5243034389 is 9834303425.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5226567025 + 16467364 = 72295^2 + 4058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5243034389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5243034359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2621517194 + 2621517195.

It is an arithmetic number, because the mean of its divisors is an integer number (2621517195).

Almost surely, 2^5243034389 is an apocalyptic number.

It is an amenable number.

5243034389 is a deficient number, since it is larger than the sum of its proper divisors (1).

5243034389 is an equidigital number, since it uses as much as digits as its factorization.

5243034389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 41.

The square root of 5243034389 is about 72408.8004941388. The cubic root of 5243034389 is about 1737.2443267085.

The spelling of 5243034389 in words is "five billion, two hundred forty-three million, thirty-four thousand, three hundred eighty-nine".