32728080313 has 2 divisors, whose sum is σ = 32728080314. Its totient is φ = 32728080312.

The previous prime is 32728080221. The next prime is 32728080353. The reversal of 32728080313 is 31308082723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18094823289 + 14633257024 = 134517^2 + 120968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32728080313 is a prime.

It is a super-2 number, since 2×32728080313² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32728080353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16364040156 + 16364040157.

It is an arithmetic number, because the mean of its divisors is an integer number (16364040157).

Almost surely, 2^32728080313 is an apocalyptic number.

It is an amenable number.

32728080313 is a deficient number, since it is larger than the sum of its proper divisors (1).

32728080313 is an equidigital number, since it uses as much as digits as its factorization.

32728080313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 32728080313 in words is "thirty-two billion, seven hundred twenty-eight million, eighty thousand, three hundred thirteen".