13106578439 has 2 divisors, whose sum is σ = 13106578440. Its totient is φ = 13106578438.

The previous prime is 13106578393. The next prime is 13106578447. The reversal of 13106578439 is 93487560131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13106578439 - 2²⁸ = 12838142983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13106578393 and 13106578402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13106572439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6553289219 + 6553289220.

It is an arithmetic number, because the mean of its divisors is an integer number (6553289220).

Almost surely, 2^13106578439 is an apocalyptic number.

13106578439 is a deficient number, since it is larger than the sum of its proper divisors (1).

13106578439 is an equidigital number, since it uses as much as digits as its factorization.

13106578439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 13106578439 in words is "thirteen billion, one hundred six million, five hundred seventy-eight thousand, four hundred thirty-nine".