1942436221646 has 8 divisors (see below), whose sum is σ = 2950536033120. Its totient is φ = 958924210608.

The previous prime is 1942436221637. The next prime is 1942436221709. The reversal of 1942436221646 is 6461226342491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1942436221594 and 1942436221603.

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 3 ways as a sum of consecutive naturals, for example, 6146949911 + ... + 6146950226.

It is an arithmetic number, because the mean of its divisors is an integer number (368817004140).

Almost surely, 2^{1942436221646} is an apocalyptic number.

1942436221646 is a deficient number, since it is larger than the sum of its proper divisors (1008099811474).

1942436221646 is a wasteful number, since it uses less digits than its factorization.

1942436221646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12293900218.

The product of its digits is 2985984, while the sum is 50.

The spelling of 1942436221646 in words is "one trillion, nine hundred forty-two billion, four hundred thirty-six million, two hundred twenty-one thousand, six hundred forty-six".