1489735069 has 2 divisors, whose sum is σ = 1489735070. Its totient is φ = 1489735068.

The previous prime is 1489735067. The next prime is 1489735097. The reversal of 1489735069 is 9605379841.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1408500900 + 81234169 = 37530^2 + 9013^2 .

It is a cyclic number.

It is not a de Polignac number, because 1489735069 - 2¹ = 1489735067 is a prime.

It is a super-2 number, since 2×1489735069² = 4438621151616869522, which contains 22 as substring.

Together with 1489735067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489735063) 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, 744867534 + 744867535.

It is an arithmetic number, because the mean of its divisors is an integer number (744867535).

Almost surely, 2^1489735069 is an apocalyptic number.

It is an amenable number.

1489735069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489735069 is an equidigital number, since it uses as much as digits as its factorization.

1489735069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 1489735069 is about 38597.0862760390. The cubic root of 1489735069 is about 1142.0970605751.

The spelling of 1489735069 in words is "one billion, four hundred eighty-nine million, seven hundred thirty-five thousand, sixty-nine".