1326964017 has 4 divisors (see below), whose sum is σ = 1769285360. Its totient is φ = 884642676.

The previous prime is 1326963949. The next prime is 1326964043. The reversal of 1326964017 is 7104696231.

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.

It is not a de Polignac number, because 1326964017 - 2⁷ = 1326963889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326964097) 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, 221160667 + ... + 221160672.

It is an arithmetic number, because the mean of its divisors is an integer number (442321340).

Almost surely, 2^1326964017 is an apocalyptic number.

It is an amenable number.

1326964017 is a deficient number, since it is larger than the sum of its proper divisors (442321343).

1326964017 is an equidigital number, since it uses as much as digits as its factorization.

1326964017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442321342.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1326964017 is about 36427.5173049166. The cubic root of 1326964017 is about 1098.8870332466.

The spelling of 1326964017 in words is "one billion, three hundred twenty-six million, nine hundred sixty-four thousand, seventeen".