1938416342 has 4 divisors (see below), whose sum is σ = 2907624516. Its totient is φ = 969208170.

The previous prime is 1938416339. The next prime is 1938416383. The reversal of 1938416342 is 2436148391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2436148391 = 1279 ⋅1904729.

It is a self number, because there is not a number n which added to its sum of digits gives 1938416342.

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 as a sum of consecutive naturals, namely, 484604084 + ... + 484604087.

It is an arithmetic number, because the mean of its divisors is an integer number (726906129).

Almost surely, 2^1938416342 is an apocalyptic number.

1938416342 is a deficient number, since it is larger than the sum of its proper divisors (969208174).

1938416342 is an equidigital number, since it uses as much as digits as its factorization.

1938416342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969208173.

The product of its digits is 124416, while the sum is 41.

The square root of 1938416342 is about 44027.4498693713. The cubic root of 1938416342 is about 1246.8542429712.

The spelling of 1938416342 in words is "one billion, nine hundred thirty-eight million, four hundred sixteen thousand, three hundred forty-two".