1942719238 has 4 divisors (see below), whose sum is σ = 2914078860. Its totient is φ = 971359618.

The previous prime is 1942719223. The next prime is 1942719241. The reversal of 1942719238 is 8329172491.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8329172491 = 17 ⋅489951323.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485679808 + ... + 485679811.

It is an arithmetic number, because the mean of its divisors is an integer number (728519715).

Almost surely, 2^1942719238 is an apocalyptic number.

1942719238 is a deficient number, since it is larger than the sum of its proper divisors (971359622).

1942719238 is an equidigital number, since it uses as much as digits as its factorization.

1942719238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 971359621.

The product of its digits is 217728, while the sum is 46.

The square root of 1942719238 is about 44076.2888410538. The cubic root of 1942719238 is about 1247.7761500460.

The spelling of 1942719238 in words is "one billion, nine hundred forty-two million, seven hundred nineteen thousand, two hundred thirty-eight".