1364489449 has 4 divisors (see below), whose sum is σ = 1374449364. Its totient is φ = 1354529536.

The previous prime is 1364489429. The next prime is 1364489453. The reversal of 1364489449 is 9449844631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1153077849 + 211411600 = 33957^2 + 14540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1364489449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1364489396 and 1364489405.

It is not an unprimeable number, because it can be changed into a prime (1364489429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4979752 + ... + 4980025.

It is an arithmetic number, because the mean of its divisors is an integer number (343612341).

Almost surely, 2^1364489449 is an apocalyptic number.

It is an amenable number.

1364489449 is a deficient number, since it is larger than the sum of its proper divisors (9959915).

1364489449 is an equidigital number, since it uses as much as digits as its factorization.

1364489449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9959914.

The product of its digits is 2985984, while the sum is 52.

The square root of 1364489449 is about 36938.9963182542. The cubic root of 1364489449 is about 1109.1494306377.

The spelling of 1364489449 in words is "one billion, three hundred sixty-four million, four hundred eighty-nine thousand, four hundred forty-nine".