1341661749889 has 4 divisors (see below), whose sum is σ = 1342758776256. Its totient is φ = 1340564723524.

The previous prime is 1341661749887. The next prime is 1341661749931. The reversal of 1341661749889 is 9889471661431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1341661749889 - 2¹ = 1341661749887 is a prime.

It is a super-2 number, since 2×1341661749889² (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 (1341661749887) 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, 548511349 + ... + 548513794.

It is an arithmetic number, because the mean of its divisors is an integer number (335689694064).

Almost surely, 2^{1341661749889} is an apocalyptic number.

It is an amenable number.

1341661749889 is a deficient number, since it is larger than the sum of its proper divisors (1097026367).

1341661749889 is a wasteful number, since it uses less digits than its factorization.

1341661749889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1097026366.

The product of its digits is 62705664, while the sum is 67.

The spelling of 1341661749889 in words is "one trillion, three hundred forty-one billion, six hundred sixty-one million, seven hundred forty-nine thousand, eight hundred eighty-nine".