13278129063 has 16 divisors (see below), whose sum is σ = 17762443776. Its totient is φ = 8822995040.

The previous prime is 13278129047. The next prime is 13278129091. The reversal of 13278129063 is 36092187231.

It is a cyclic number.

It is not a de Polignac number, because 13278129063 - 2⁴ = 13278129047 is a prime.

It is a super-2 number, since 2×13278129063² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13278129013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354606 + ... + 1364372.

It is an arithmetic number, because the mean of its divisors is an integer number (1110152736).

Almost surely, 2^13278129063 is an apocalyptic number.

13278129063 is a deficient number, since it is larger than the sum of its proper divisors (4484314713).

13278129063 is an equidigital number, since it uses as much as digits as its factorization.

13278129063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 13278129063 in words is "thirteen billion, two hundred seventy-eight million, one hundred twenty-nine thousand, sixty-three".