1342191447864 has 24 divisors (see below), whose sum is σ = 3635101838160. Its totient is φ = 447397149264.

The previous prime is 1342191447803. The next prime is 1342191447871. The reversal of 1342191447864 is 4687441912431.

It is a happy number.

1342191447864 is a `hidden beast` number, since 1 + 3 + 4 + 2 + 191 + 447 + 8 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1342191447864.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9320773872 + ... + 9320774015.

It is an arithmetic number, because the mean of its divisors is an integer number (151462576590).

Almost surely, 2^{1342191447864} is an apocalyptic number.

It is an amenable number.

1342191447864 is an abundant number, since it is smaller than the sum of its proper divisors (2292910390296).

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

1342191447864 is a wasteful number, since it uses less digits than its factorization.

1342191447864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18641547899 (or 18641547892 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 1342191447864 in words is "one trillion, three hundred forty-two billion, one hundred ninety-one million, four hundred forty-seven thousand, eight hundred sixty-four".