1344703389 has 8 divisors (see below), whose sum is σ = 1793269152. Its totient is φ = 896303280.

The previous prime is 1344703379. The next prime is 1344703453. The reversal of 1344703389 is 9833074431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1344703389 - 2⁵ = 1344703357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344703389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344703379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21039 + ... + 55964.

It is an arithmetic number, because the mean of its divisors is an integer number (224158644).

Almost surely, 2^1344703389 is an apocalyptic number.

It is an amenable number.

1344703389 is a deficient number, since it is larger than the sum of its proper divisors (448565763).

1344703389 is an equidigital number, since it uses as much as digits as its factorization.

1344703389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82827.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 1344703389 is about 36670.1975587806. The cubic root of 1344703389 is about 1103.7621565123.

The spelling of 1344703389 in words is "one billion, three hundred forty-four million, seven hundred three thousand, three hundred eighty-nine".