1942939021837 has 16 divisors (see below), whose sum is σ = 2122240977792. Its totient is φ = 1764083430720.

The previous prime is 1942939021817. The next prime is 1942939021853. The reversal of 1942939021837 is 7381209392491.

It is a cyclic number.

It is not a de Polignac number, because 1942939021837 - 2¹¹ = 1942939019789 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 (1942939021817) 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, 35445183 + ... + 35499955.

It is an arithmetic number, because the mean of its divisors is an integer number (132640061112).

Almost surely, 2^{1942939021837} is an apocalyptic number.

It is an amenable number.

1942939021837 is a deficient number, since it is larger than the sum of its proper divisors (179301955955).

1942939021837 is a wasteful number, since it uses less digits than its factorization.

1942939021837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58788.

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 1942939021837 in words is "one trillion, nine hundred forty-two billion, nine hundred thirty-nine million, twenty-one thousand, eight hundred thirty-seven".