1324316645 has 16 divisors (see below), whose sum is σ = 1603058688. Its totient is φ = 1050240960.

The previous prime is 1324316641. The next prime is 1324316647. The reversal of 1324316645 is 5466134231.

It is not a de Polignac number, because 1324316645 - 2² = 1324316641 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324316641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290927 + ... + 295443.

It is an arithmetic number, because the mean of its divisors is an integer number (100191168).

Almost surely, 2^1324316645 is an apocalyptic number.

It is an amenable number.

1324316645 is a deficient number, since it is larger than the sum of its proper divisors (278742043).

1324316645 is a wasteful number, since it uses less digits than its factorization.

1324316645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020.

The product of its digits is 51840, while the sum is 35.

The square root of 1324316645 is about 36391.1616330119. The cubic root of 1324316645 is about 1098.1557650977.

The spelling of 1324316645 in words is "one billion, three hundred twenty-four million, three hundred sixteen thousand, six hundred forty-five".