13278829061 has 2 divisors, whose sum is σ = 13278829062. Its totient is φ = 13278829060.

The previous prime is 13278829049. The next prime is 13278829063. The reversal of 13278829061 is 16092887231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10660562500 + 2618266561 = 103250^2 + 51169^2 .

It is an emirp because it is prime and its reverse (16092887231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13278829061 is a prime.

Together with 13278829063, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13278828997 and 13278829015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13278829063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6639414530 + 6639414531.

It is an arithmetic number, because the mean of its divisors is an integer number (6639414531).

Almost surely, 2^13278829061 is an apocalyptic number.

It is an amenable number.

13278829061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13278829061 is an equidigital number, since it uses as much as digits as its factorization.

13278829061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

It can be divided in two parts, 1327 and 8829061, that added together give a palindrome (8830388).

The spelling of 13278829061 in words is "thirteen billion, two hundred seventy-eight million, eight hundred twenty-nine thousand, sixty-one".