1326344993 has 8 divisors (see below), whose sum is σ = 1334773440. Its totient is φ = 1317942000.

The previous prime is 1326344977. The next prime is 1326345011. The reversal of 1326344993 is 3994436231.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1326344993 - 2⁴ = 1326344977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326344293) 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, 104171 + ... + 116207.

It is an arithmetic number, because the mean of its divisors is an integer number (166846680).

Almost surely, 2^1326344993 is an apocalyptic number.

It is an amenable number.

1326344993 is a deficient number, since it is larger than the sum of its proper divisors (8428447).

1326344993 is a wasteful number, since it uses less digits than its factorization.

1326344993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727.

The product of its digits is 419904, while the sum is 44.

The square root of 1326344993 is about 36419.0196600622. The cubic root of 1326344993 is about 1098.7161310363.

The spelling of 1326344993 in words is "one billion, three hundred twenty-six million, three hundred forty-four thousand, nine hundred ninety-three".