13020628459897 has 2 divisors, whose sum is σ = 13020628459898. Its totient is φ = 13020628459896.

The previous prime is 13020628459877. The next prime is 13020628459921. The reversal of 13020628459897 is 79895482602031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9012508343056 + 4008120116841 = 3002084^2 + 2002029^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020628459897 - 2¹¹ = 13020628457849 is a prime.

It is not a weakly prime, because it can be changed into another prime (13020628459837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510314229948 + 6510314229949.

It is an arithmetic number, because the mean of its divisors is an integer number (6510314229949).

It is a 1-persistent number, because it is pandigital, but 2⋅13020628459897 = 26041256919794 is not.

Almost surely, 2^{13020628459897} is an apocalyptic number.

It is an amenable number.

13020628459897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020628459897 is an equidigital number, since it uses as much as digits as its factorization.

13020628459897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 13020628459897 in words is "thirteen trillion, twenty billion, six hundred twenty-eight million, four hundred fifty-nine thousand, eight hundred ninety-seven".