989456093 has 2 divisors, whose sum is σ = 989456094. Its totient is φ = 989456092.

The previous prime is 989456087. The next prime is 989456131. The reversal of 989456093 is 390654989.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 958397764 + 31058329 = 30958^2 + 5573^2 .

It is a cyclic number.

It is not a de Polignac number, because 989456093 - 2¹⁴ = 989439709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (989456023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494728046 + 494728047.

It is an arithmetic number, because the mean of its divisors is an integer number (494728047).

Almost surely, 2^989456093 is an apocalyptic number.

It is an amenable number.

989456093 is a deficient number, since it is larger than the sum of its proper divisors (1).

989456093 is an equidigital number, since it uses as much as digits as its factorization.

989456093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The square root of 989456093 is about 31455.6210080170. The cubic root of 989456093 is about 996.4729387983.

The spelling of 989456093 in words is "nine hundred eighty-nine million, four hundred fifty-six thousand, ninety-three".