1919342814 has 8 divisors (see below), whose sum is σ = 3838685640. Its totient is φ = 639780936.

The previous prime is 1919342813. The next prime is 1919342869. The reversal of 1919342814 is 4182439191.

It is a sphenic number, since it is the product of 3 distinct primes.

1919342814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1919342813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159945229 + ... + 159945240.

It is an arithmetic number, because the mean of its divisors is an integer number (479835705).

Almost surely, 2^1919342814 is an apocalyptic number.

1919342814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1919342814 is a wasteful number, since it uses less digits than its factorization.

1919342814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319890474.

The product of its digits is 62208, while the sum is 42.

The square root of 1919342814 is about 43810.3048836686. The cubic root of 1919342814 is about 1242.7511785808.

The spelling of 1919342814 in words is "one billion, nine hundred nineteen million, three hundred forty-two thousand, eight hundred fourteen".