1343691947659 has 4 divisors (see below), whose sum is σ = 1347751440280. Its totient is φ = 1339632455040.

The previous prime is 1343691947579. The next prime is 1343691947683. The reversal of 1343691947659 is 9567491963431.

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

It is a cyclic number.

It is not a de Polignac number, because 1343691947659 - 2¹⁷ = 1343691816587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1343691947594 and 1343691947603.

It is not an unprimeable number, because it can be changed into a prime (1343691947159) 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, 2029745814 + ... + 2029746475.

It is an arithmetic number, because the mean of its divisors is an integer number (336937860070).

Almost surely, 2^{1343691947659} is an apocalyptic number.

1343691947659 is a deficient number, since it is larger than the sum of its proper divisors (4059492621).

1343691947659 is an equidigital number, since it uses as much as digits as its factorization.

1343691947659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4059492620.

The product of its digits is 132269760, while the sum is 67.

The spelling of 1343691947659 in words is "one trillion, three hundred forty-three billion, six hundred ninety-one million, nine hundred forty-seven thousand, six hundred fifty-nine".