109996489 has 2 divisors, whose sum is σ = 109996490. Its totient is φ = 109996488.

The previous prime is 109996433. The next prime is 109996493. The reversal of 109996489 is 984699901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69889600 + 40106889 = 8360^2 + 6333^2 .

It is a cyclic number.

It is not a de Polignac number, because 109996489 - 2¹⁹ = 109472201 is a prime.

It is not a weakly prime, because it can be changed into another prime (109996429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54998244 + 54998245.

It is an arithmetic number, because the mean of its divisors is an integer number (54998245).

Almost surely, 2^109996489 is an apocalyptic number.

It is an amenable number.

109996489 is a deficient number, since it is larger than the sum of its proper divisors (1).

109996489 is an equidigital number, since it uses as much as digits as its factorization.

109996489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 55.

The square root of 109996489 is about 10487.9211000083. The cubic root of 109996489 is about 479.1368878717.

The spelling of 109996489 in words is "one hundred nine million, nine hundred ninety-six thousand, four hundred eighty-nine".