1344564393 has 32 divisors (see below), whose sum is σ = 1942617600. Its totient is φ = 824576256.

The previous prime is 1344564341. The next prime is 1344564467. The reversal of 1344564393 is 3934654431.

It is not a de Polignac number, because 1344564393 - 2⁶ = 1344564329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344564313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 276721 + ... + 281537.

It is an arithmetic number, because the mean of its divisors is an integer number (60706800).

Almost surely, 2^1344564393 is an apocalyptic number.

It is an amenable number.

1344564393 is a deficient number, since it is larger than the sum of its proper divisors (598053207).

1344564393 is a wasteful number, since it uses less digits than its factorization.

1344564393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981.

The product of its digits is 466560, while the sum is 42.

The square root of 1344564393 is about 36668.3022923069. The cubic root of 1344564393 is about 1103.7241248759.

The spelling of 1344564393 in words is "one billion, three hundred forty-four million, five hundred sixty-four thousand, three hundred ninety-three".