1941194378 has 4 divisors (see below), whose sum is σ = 2911791570. Its totient is φ = 970597188.

The previous prime is 1941194369. The next prime is 1941194383. The reversal of 1941194378 is 8734911491.

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: 8734911491 = 17 ⋅513818323.

It can be written as a sum of positive squares in only one way, i.e., 1047363769 + 893830609 = 32363^2 + 29897^2 .

It is a super-3 number, since 3×1941194378³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 485298593 + ... + 485298596.

Almost surely, 2^1941194378 is an apocalyptic number.

1941194378 is a deficient number, since it is larger than the sum of its proper divisors (970597192).

1941194378 is an equidigital number, since it uses as much as digits as its factorization.

1941194378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970597191.

The product of its digits is 217728, while the sum is 47.

The square root of 1941194378 is about 44058.9874826919. The cubic root of 1941194378 is about 1247.4496005491.

The spelling of 1941194378 in words is "one billion, nine hundred forty-one million, one hundred ninety-four thousand, three hundred seventy-eight".