1849252194 has 20 divisors (see below), whose sum is σ = 4143695094. Its totient is φ = 616417344.

The previous prime is 1849252157. The next prime is 1849252211. The reversal of 1849252194 is 4912529481.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1680590025 + 168662169 = 40995^2 + 12987^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5707407 + ... + 5707730.

Almost surely, 2^1849252194 is an apocalyptic number.

1849252194 is an abundant number, since it is smaller than the sum of its proper divisors (2294442900).

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

1849252194 is a wasteful number, since it uses less digits than its factorization.

1849252194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11415151 (or 11415142 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1849252194 is about 43002.9323883849. The cubic root of 1849252194 is about 1227.4355971592.

The spelling of 1849252194 in words is "one billion, eight hundred forty-nine million, two hundred fifty-two thousand, one hundred ninety-four".