13320772345 has 8 divisors (see below), whose sum is σ = 16679923776. Its totient is φ = 10193286576.

The previous prime is 13320772327. The next prime is 13320772351. The reversal of 13320772345 is 54327702331.

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 13320772345 - 2¹¹ = 13320770297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57916287 + ... + 57916516.

It is an arithmetic number, because the mean of its divisors is an integer number (2084990472).

Almost surely, 2^13320772345 is an apocalyptic number.

It is an amenable number.

13320772345 is a deficient number, since it is larger than the sum of its proper divisors (3359151431).

13320772345 is a wasteful number, since it uses less digits than its factorization.

13320772345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115832831.

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 13320772345 in words is "thirteen billion, three hundred twenty million, seven hundred seventy-two thousand, three hundred forty-five".