1919714194 has 4 divisors (see below), whose sum is σ = 2879571294. Its totient is φ = 959857096.

The previous prime is 1919714183. The next prime is 1919714207. The reversal of 1919714194 is 4914179191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1475558569 + 444155625 = 38413^2 + 21075^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479928547 + ... + 479928550.

Almost surely, 2^1919714194 is an apocalyptic number.

1919714194 is a deficient number, since it is larger than the sum of its proper divisors (959857100).

1919714194 is an equidigital number, since it uses as much as digits as its factorization.

1919714194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959857099.

The product of its digits is 81648, while the sum is 46.

The square root of 1919714194 is about 43814.5431791774. The cubic root of 1919714194 is about 1242.8313280925.

The spelling of 1919714194 in words is "one billion, nine hundred nineteen million, seven hundred fourteen thousand, one hundred ninety-four".