1942242422977 has 4 divisors (see below), whose sum is σ = 1942275019860. Its totient is φ = 1942209826096.

The previous prime is 1942242422941. The next prime is 1942242422987. The reversal of 1942242422977 is 7792242422491.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 339185100816 + 1603057322161 = 582396^2 + 1266119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1942242422977 is a prime.

It is a super-2 number, since 2×1942242422977² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1942242422987) 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, 16208902 + ... + 16328287.

It is an arithmetic number, because the mean of its divisors is an integer number (485568754965).

Almost surely, 2^{1942242422977} is an apocalyptic number.

It is an amenable number.

1942242422977 is a deficient number, since it is larger than the sum of its proper divisors (32596883).

1942242422977 is an equidigital number, since it uses as much as digits as its factorization.

1942242422977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32596882.

The product of its digits is 8128512, while the sum is 55.

The spelling of 1942242422977 in words is "one trillion, nine hundred forty-two billion, two hundred forty-two million, four hundred twenty-two thousand, nine hundred seventy-seven".