13078559953 has 2 divisors, whose sum is σ = 13078559954. Its totient is φ = 13078559952.

The previous prime is 13078559939. The next prime is 13078560083. The reversal of 13078559953 is 35995587031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12218428369 + 860131584 = 110537^2 + 29328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13078559953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13078559894 and 13078559903.

It is not a weakly prime, because it can be changed into another prime (13078559903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6539279976 + 6539279977.

It is an arithmetic number, because the mean of its divisors is an integer number (6539279977).

Almost surely, 2^13078559953 is an apocalyptic number.

It is an amenable number.

13078559953 is a deficient number, since it is larger than the sum of its proper divisors (1).

13078559953 is an equidigital number, since it uses as much as digits as its factorization.

13078559953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103000, while the sum is 55.

The spelling of 13078559953 in words is "thirteen billion, seventy-eight million, five hundred fifty-nine thousand, nine hundred fifty-three".