1319218972729 has 8 divisors (see below), whose sum is σ = 1509966659520. Its totient is φ = 1129043244336.

The previous prime is 1319218972691. The next prime is 1319218972777. The reversal of 1319218972729 is 9272798129131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1319218972729 - 2²⁵ = 1319185418297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1319218912729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142984654 + ... + 142993879.

It is an arithmetic number, because the mean of its divisors is an integer number (188745832440).

Almost surely, 2^{1319218972729} is an apocalyptic number.

It is an amenable number.

1319218972729 is a deficient number, since it is larger than the sum of its proper divisors (190747686791).

1319218972729 is an equidigital number, since it uses as much as digits as its factorization.

1319218972729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285979199.

The product of its digits is 6858432, while the sum is 61.

The spelling of 1319218972729 in words is "one trillion, three hundred nineteen billion, two hundred eighteen million, nine hundred seventy-two thousand, seven hundred twenty-nine".