1344897730686 has 16 divisors (see below), whose sum is σ = 2729941663104. Its totient is φ = 441608209944.

The previous prime is 1344897730679. The next prime is 1344897730727. The reversal of 1344897730686 is 6860377984431.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1672757970 + ... + 1672758773.

It is an arithmetic number, because the mean of its divisors is an integer number (170621353944).

Almost surely, 2^{1344897730686} is an apocalyptic number.

1344897730686 is an abundant number, since it is smaller than the sum of its proper divisors (1385043932418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1344897730686 is a wasteful number, since it uses less digits than its factorization.

1344897730686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3345516815.

The product of its (nonzero) digits is 146313216, while the sum is 66.

The spelling of 1344897730686 in words is "one trillion, three hundred forty-four billion, eight hundred ninety-seven million, seven hundred thirty thousand, six hundred eighty-six".