1342446402989 has 4 divisors (see below), whose sum is σ = 1350682270656. Its totient is φ = 1334210535324.

The previous prime is 1342446402971. The next prime is 1342446403003. The reversal of 1342446402989 is 9892046442431.

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 a de Polignac number, because none of the positive numbers 2^k-1342446402989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342446402589) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4117933589 + ... + 4117933914.

It is an arithmetic number, because the mean of its divisors is an integer number (337670567664).

Almost surely, 2^{1342446402989} is an apocalyptic number.

It is an amenable number.

1342446402989 is a deficient number, since it is larger than the sum of its proper divisors (8235867667).

1342446402989 is an equidigital number, since it uses as much as digits as its factorization.

1342446402989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235867666.

The product of its (nonzero) digits is 11943936, while the sum is 56.

The spelling of 1342446402989 in words is "one trillion, three hundred forty-two billion, four hundred forty-six million, four hundred two thousand, nine hundred eighty-nine".