1942678373 has 4 divisors (see below), whose sum is σ = 1943080620. Its totient is φ = 1942276128.

The previous prime is 1942678337. The next prime is 1942678393. The reversal of 1942678373 is 3738762491.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3738762491 = 421 ⋅8880671.

It can be written as a sum of positive squares in 2 ways, for example, as 1265794084 + 676884289 = 35578^2 + 26017^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1942678373 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 (1942678393) 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, 193790 + ... + 203567.

It is an arithmetic number, because the mean of its divisors is an integer number (485770155).

Almost surely, 2^1942678373 is an apocalyptic number.

It is an amenable number.

1942678373 is a deficient number, since it is larger than the sum of its proper divisors (402247).

1942678373 is an equidigital number, since it uses as much as digits as its factorization.

1942678373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402246.

The product of its digits is 1524096, while the sum is 50.

The square root of 1942678373 is about 44075.8252673730. The cubic root of 1942678373 is about 1247.7674010155.

The spelling of 1942678373 in words is "one billion, nine hundred forty-two million, six hundred seventy-eight thousand, three hundred seventy-three".