1609284349 has 2 divisors, whose sum is σ = 1609284350. Its totient is φ = 1609284348.

The previous prime is 1609284319. The next prime is 1609284389. The reversal of 1609284349 is 9434829061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1207562500 + 401721849 = 34750^2 + 20043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1609284349 - 2⁷ = 1609284221 is a prime.

It is a super-2 number, since 2×1609284349² = 5179592231872707602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1609284299 and 1609284308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1609284319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804642174 + 804642175.

It is an arithmetic number, because the mean of its divisors is an integer number (804642175).

Almost surely, 2^1609284349 is an apocalyptic number.

It is an amenable number.

1609284349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1609284349 is an equidigital number, since it uses as much as digits as its factorization.

1609284349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 1609284349 is about 40115.8864915136. The cubic root of 1609284349 is about 1171.8650336044.

The spelling of 1609284349 in words is "one billion, six hundred nine million, two hundred eighty-four thousand, three hundred forty-nine".