1353347449 has 4 divisors (see below), whose sum is σ = 1365995664. Its totient is φ = 1340699236.

The previous prime is 1353347431. The next prime is 1353347473. The reversal of 1353347449 is 9447433531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1353347449 - 2⁵ = 1353347417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353347549) 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, 6323947 + ... + 6324160.

It is an arithmetic number, because the mean of its divisors is an integer number (341498916).

Almost surely, 2^1353347449 is an apocalyptic number.

It is an amenable number.

1353347449 is a deficient number, since it is larger than the sum of its proper divisors (12648215).

1353347449 is a wasteful number, since it uses less digits than its factorization.

1353347449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12648214.

The product of its digits is 544320, while the sum is 43.

The square root of 1353347449 is about 36787.8709495399. The cubic root of 1353347449 is about 1106.1221850521.

The spelling of 1353347449 in words is "one billion, three hundred fifty-three million, three hundred forty-seven thousand, four hundred forty-nine".