1098310589 has 2 divisors, whose sum is σ = 1098310590. Its totient is φ = 1098310588.

The previous prime is 1098310579. The next prime is 1098310597. The reversal of 1098310589 is 9850138901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1093426489 + 4884100 = 33067^2 + 2210^2 .

It is a cyclic number.

It is not a de Polignac number, because 1098310589 - 2¹² = 1098306493 is a prime.

It is a super-2 number, since 2×1098310589² = 2412572299819053842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1098310519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 549155294 + 549155295.

It is an arithmetic number, because the mean of its divisors is an integer number (549155295).

Almost surely, 2^1098310589 is an apocalyptic number.

It is an amenable number.

1098310589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1098310589 is an equidigital number, since it uses as much as digits as its factorization.

1098310589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 44.

The square root of 1098310589 is about 33140.7692879933. The cubic root of 1098310589 is about 1031.7513763822.

The spelling of 1098310589 in words is "one billion, ninety-eight million, three hundred ten thousand, five hundred eighty-nine".