13285455797 has 2 divisors, whose sum is σ = 13285455798. Its totient is φ = 13285455796.

The previous prime is 13285455779. The next prime is 13285455809. The reversal of 13285455797 is 79755458231.

Together with previous prime (13285455779) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8955026161 + 4330429636 = 94631^2 + 65806^2 .

It is a cyclic number.

It is not a de Polignac number, because 13285455797 - 2¹⁰ = 13285454773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13285455097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6642727898 + 6642727899.

It is an arithmetic number, because the mean of its divisors is an integer number (6642727899).

Almost surely, 2^13285455797 is an apocalyptic number.

It is an amenable number.

13285455797 is a deficient number, since it is larger than the sum of its proper divisors (1).

13285455797 is an equidigital number, since it uses as much as digits as its factorization.

13285455797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584000, while the sum is 56.

The spelling of 13285455797 in words is "thirteen billion, two hundred eighty-five million, four hundred fifty-five thousand, seven hundred ninety-seven".