1342643533546 has 128 divisors (see below), whose sum is σ = 2500402544640. Its totient is φ = 527911473600.

The previous prime is 1342643533523. The next prime is 1342643533577. The reversal of 1342643533546 is 6453353462431.

It is a self number, because there is not a number n which added to its sum of digits gives 1342643533546.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1090692751 + ... + 1090693981.

It is an arithmetic number, because the mean of its divisors is an integer number (19534394880).

Almost surely, 2^{1342643533546} is an apocalyptic number.

1342643533546 is a deficient number, since it is larger than the sum of its proper divisors (1157759011094).

1342643533546 is a wasteful number, since it uses less digits than its factorization.

1342643533546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040.

The product of its digits is 9331200, while the sum is 49.

Adding to 1342643533546 its reverse (6453353462431), we get a palindrome (7795996995977).

The spelling of 1342643533546 in words is "one trillion, three hundred forty-two billion, six hundred forty-three million, five hundred thirty-three thousand, five hundred forty-six".