13320545651 has 32 divisors (see below), whose sum is σ = 15851962368. Its totient is φ = 10953169920.

The previous prime is 13320545647. The next prime is 13320545659. The reversal of 13320545651 is 15654502331.

It is not a de Polignac number, because 13320545651 - 2² = 13320545647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13320545659) 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, 19792451 + ... + 19793123.

It is an arithmetic number, because the mean of its divisors is an integer number (495373824).

Almost surely, 2^13320545651 is an apocalyptic number.

13320545651 is a deficient number, since it is larger than the sum of its proper divisors (2531416717).

13320545651 is a wasteful number, since it uses less digits than its factorization.

13320545651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 54000, while the sum is 35.

The spelling of 13320545651 in words is "thirteen billion, three hundred twenty million, five hundred forty-five thousand, six hundred fifty-one".