1694519242 has 16 divisors (see below), whose sum is σ = 2831691240. Its totient is φ = 755116992.

The previous prime is 1694519209. The next prime is 1694519279. The reversal of 1694519242 is 2429154961.

It can be written as a sum of positive squares in 4 ways, for example, as 1094220241 + 600299001 = 33079^2 + 24501^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1122933 + ... + 1124440.

Almost surely, 2^1694519242 is an apocalyptic number.

1694519242 is a deficient number, since it is larger than the sum of its proper divisors (1137171998).

1694519242 is a wasteful number, since it uses less digits than its factorization.

1694519242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247417.

The product of its digits is 155520, while the sum is 43.

The square root of 1694519242 is about 41164.5386467527. The cubic root of 1694519242 is about 1192.1992243357.

The spelling of 1694519242 in words is "one billion, six hundred ninety-four million, five hundred nineteen thousand, two hundred forty-two".