1312679063329 has 4 divisors (see below), whose sum is σ = 1312706268484. Its totient is φ = 1312651858176.

The previous prime is 1312679063291. The next prime is 1312679063357. The reversal of 1312679063329 is 9233609762131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 661534969104 + 651144094225 = 813348^2 + 806935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312679063329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312679063929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13530072 + ... + 13626745.

It is an arithmetic number, because the mean of its divisors is an integer number (328176567121).

Almost surely, 2^{1312679063329} is an apocalyptic number.

It is an amenable number.

1312679063329 is a deficient number, since it is larger than the sum of its proper divisors (27205155).

1312679063329 is an equidigital number, since it uses as much as digits as its factorization.

1312679063329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27205154.

The product of its (nonzero) digits is 2204496, while the sum is 52.

The spelling of 1312679063329 in words is "one trillion, three hundred twelve billion, six hundred seventy-nine million, sixty-three thousand, three hundred twenty-nine".