1344468889 has 9 divisors (see below), whose sum is σ = 1383183711. Its totient is φ = 1306811880.

The previous prime is 1344468877. The next prime is 1344468907. The reversal of 1344468889 is 9888644431.

It is a happy number.

The square root of 1344468889 is 36667.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1203049225 + 141419664 = 34685^2 + 11892^2 .

It is not a de Polignac number, because 1344468889 - 2⁵ = 1344468857 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1344468809) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1356184 + ... + 1357174.

It is an arithmetic number, because the mean of its divisors is an integer number (153687079).

Almost surely, 2^1344468889 is an apocalyptic number.

1344468889 is the 36667-th square number.

1344468889 is the 18334-th centered octagonal number.

It is an amenable number.

1344468889 is a deficient number, since it is larger than the sum of its proper divisors (38714822).

1344468889 is an frugal number, since it uses more digits than its factorization.

1344468889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 1028 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 55.

The cubic root of 1344468889 is about 1103.6979918608.

The spelling of 1344468889 in words is "one billion, three hundred forty-four million, four hundred sixty-eight thousand, eight hundred eighty-nine".