1320344307859 has 16 divisors (see below), whose sum is σ = 1400521298400. Its totient is φ = 1240446910464.

The previous prime is 1320344307857. The next prime is 1320344307959. The reversal of 1320344307859 is 9587034430231.

It is a cyclic number.

It is not a de Polignac number, because 1320344307859 - 2¹ = 1320344307857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1320344307857) 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, 107086407 + ... + 107098735.

It is an arithmetic number, because the mean of its divisors is an integer number (87532581150).

Almost surely, 2^{1320344307859} is an apocalyptic number.

1320344307859 is a deficient number, since it is larger than the sum of its proper divisors (80176990541).

1320344307859 is a wasteful number, since it uses less digits than its factorization.

1320344307859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23142.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 1320344307859 in words is "one trillion, three hundred twenty billion, three hundred forty-four million, three hundred seven thousand, eight hundred fifty-nine".