1349346909571 has 16 divisors (see below), whose sum is σ = 1379262117376. Its totient is φ = 1319732178336.

The previous prime is 1349346909539. The next prime is 1349346909611. The reversal of 1349346909571 is 1759096439431.

It is a cyclic number.

It is not a de Polignac number, because 1349346909571 - 2⁵ = 1349346909539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349346900571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13910380 + ... + 14007046.

It is an arithmetic number, because the mean of its divisors is an integer number (86203882336).

Almost surely, 2^{1349346909571} is an apocalyptic number.

1349346909571 is a deficient number, since it is larger than the sum of its proper divisors (29915207805).

1349346909571 is a wasteful number, since it uses less digits than its factorization.

1349346909571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98218.

The product of its (nonzero) digits is 22044960, while the sum is 61.

The spelling of 1349346909571 in words is "one trillion, three hundred forty-nine billion, three hundred forty-six million, nine hundred nine thousand, five hundred seventy-one".