1342719916819 has 4 divisors (see below), whose sum is σ = 1344355386480. Its totient is φ = 1341084447160.

The previous prime is 1342719916807. The next prime is 1342719916831. The reversal of 1342719916819 is 9186199172431.

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

It is an interprime number because it is at equal distance from previous prime (1342719916807) and next prime (1342719916831).

It is a cyclic number.

It is not a de Polignac number, because 1342719916819 - 2⁷ = 1342719916691 is a prime.

It is a super-2 number, since 2×1342719916819² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342719916519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817733599 + ... + 817735240.

It is an arithmetic number, because the mean of its divisors is an integer number (336088846620).

Almost surely, 2^{1342719916819} is an apocalyptic number.

1342719916819 is a deficient number, since it is larger than the sum of its proper divisors (1635469661).

1342719916819 is an equidigital number, since it uses as much as digits as its factorization.

1342719916819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1635469660.

The product of its digits is 5878656, while the sum is 61.

The spelling of 1342719916819 in words is "one trillion, three hundred forty-two billion, seven hundred nineteen million, nine hundred sixteen thousand, eight hundred nineteen".