1102019489 has 2 divisors, whose sum is σ = 1102019490. Its totient is φ = 1102019488.

The previous prime is 1102019483. The next prime is 1102019491. The reversal of 1102019489 is 9849102011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 586366225 + 515653264 = 24215^2 + 22708^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1102019489 is a prime.

It is a super-2 number, since 2×1102019489² = 2428893908271642242, which contains 22 as substring.

Together with 1102019491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1102019483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551009744 + 551009745.

It is an arithmetic number, because the mean of its divisors is an integer number (551009745).

Almost surely, 2^1102019489 is an apocalyptic number.

It is an amenable number.

1102019489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102019489 is an equidigital number, since it uses as much as digits as its factorization.

1102019489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 1102019489 is about 33196.6788850933. The cubic root of 1102019489 is about 1032.9114499669.

The spelling of 1102019489 in words is "one billion, one hundred two million, nineteen thousand, four hundred eighty-nine".