1852038909 has 12 divisors (see below), whose sum is σ = 3057334176. Its totient is φ = 1058307912.

The previous prime is 1852038887. The next prime is 1852038911. The reversal of 1852038909 is 9098302581.

It is a happy number.

1852038909 is a `hidden beast` number, since 1 + 8 + 520 + 38 + 90 + 9 = 666.

It is not a de Polignac number, because 1852038909 - 2⁷ = 1852038781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1852038989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14698659 + ... + 14698784.

It is an arithmetic number, because the mean of its divisors is an integer number (254777848).

Almost surely, 2^1852038909 is an apocalyptic number.

It is an amenable number.

1852038909 is a deficient number, since it is larger than the sum of its proper divisors (1205295267).

1852038909 is a wasteful number, since it uses less digits than its factorization.

1852038909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29397456 (or 29397453 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1852038909 is about 43035.3216439705. The cubic root of 1852038909 is about 1228.0518456202.

The spelling of 1852038909 in words is "one billion, eight hundred fifty-two million, thirty-eight thousand, nine hundred nine".