398483788589 has 2 divisors, whose sum is σ = 398483788590. Its totient is φ = 398483788588.

The previous prime is 398483788559. The next prime is 398483788609. The reversal of 398483788589 is 985887384893.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 326678547364 + 71805241225 = 571558^2 + 267965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-398483788589 is a prime.

It is a super-2 number, since 2×398483788589² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (398483788559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199241894294 + 199241894295.

It is an arithmetic number, because the mean of its divisors is an integer number (199241894295).

Almost surely, 2^398483788589 is an apocalyptic number.

It is an amenable number.

398483788589 is a deficient number, since it is larger than the sum of its proper divisors (1).

398483788589 is an equidigital number, since it uses as much as digits as its factorization.

398483788589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3344302080, while the sum is 80.

The spelling of 398483788589 in words is "three hundred ninety-eight billion, four hundred eighty-three million, seven hundred eighty-eight thousand, five hundred eighty-nine".