1344646412143 has 16 divisors (see below), whose sum is σ = 1420875756000. Its totient is φ = 1268964237312.

The previous prime is 1344646412129. The next prime is 1344646412147. The reversal of 1344646412143 is 3412146464431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344646412143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1344646412143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344646412147) 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, 50733871 + ... + 50760367.

It is an arithmetic number, because the mean of its divisors is an integer number (88804734750).

Almost surely, 2^{1344646412143} is an apocalyptic number.

1344646412143 is a deficient number, since it is larger than the sum of its proper divisors (76229343857).

1344646412143 is a wasteful number, since it uses less digits than its factorization.

1344646412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36714.

The product of its digits is 663552, while the sum is 43.

The spelling of 1344646412143 in words is "one trillion, three hundred forty-four billion, six hundred forty-six million, four hundred twelve thousand, one hundred forty-three".