1344473069 has 4 divisors (see below), whose sum is σ = 1387843200. Its totient is φ = 1301102940.

The previous prime is 1344473051. The next prime is 1344473087. The reversal of 1344473069 is 9603744431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9603744431 = 17 ⋅564926143.

It is an interprime number because it is at equal distance from previous prime (1344473051) and next prime (1344473087).

It is a cyclic number.

It is not a de Polignac number, because 1344473069 - 2²⁰ = 1343424493 is a prime.

It is a super-2 number, since 2×1344473069² = 3615215666532557522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344473369) 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, 21685019 + ... + 21685080.

It is an arithmetic number, because the mean of its divisors is an integer number (346960800).

Almost surely, 2^1344473069 is an apocalyptic number.

It is an amenable number.

1344473069 is a deficient number, since it is larger than the sum of its proper divisors (43370131).

1344473069 is an equidigital number, since it uses as much as digits as its factorization.

1344473069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43370130.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 1344473069 is about 36667.0569994375. The cubic root of 1344473069 is about 1103.6991356713.

The spelling of 1344473069 in words is "one billion, three hundred forty-four million, four hundred seventy-three thousand, sixty-nine".