5398430897 has 2 divisors, whose sum is σ = 5398430898. Its totient is φ = 5398430896.

The previous prime is 5398430893. The next prime is 5398430909. The reversal of 5398430897 is 7980348935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4209284641 + 1189146256 = 64879^2 + 34484^2 .

It is a cyclic number.

It is not a de Polignac number, because 5398430897 - 2² = 5398430893 is a prime.

It is a super-2 number, since 2×5398430897² = 58286112299368449218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5398430893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2699215448 + 2699215449.

It is an arithmetic number, because the mean of its divisors is an integer number (2699215449).

Almost surely, 2^5398430897 is an apocalyptic number.

It is an amenable number.

5398430897 is a deficient number, since it is larger than the sum of its proper divisors (1).

5398430897 is an equidigital number, since it uses as much as digits as its factorization.

5398430897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The square root of 5398430897 is about 73474.0151141885. The cubic root of 5398430897 is about 1754.2406973918.

The spelling of 5398430897 in words is "five billion, three hundred ninety-eight million, four hundred thirty thousand, eight hundred ninety-seven".