1852449609 has 16 divisors (see below), whose sum is σ = 2592829440. Its totient is φ = 1174868880.

The previous prime is 1852449583. The next prime is 1852449611. The reversal of 1852449609 is 9069442581.

It is not a de Polignac number, because 1852449609 - 2⁹ = 1852449097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1852449619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163317 + ... + 174290.

It is an arithmetic number, because the mean of its divisors is an integer number (162051840).

Almost surely, 2^1852449609 is an apocalyptic number.

It is an amenable number.

1852449609 is a deficient number, since it is larger than the sum of its proper divisors (740379831).

1852449609 is a wasteful number, since it uses less digits than its factorization.

1852449609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337700.

The product of its (nonzero) digits is 622080, while the sum is 48.

The square root of 1852449609 is about 43040.0930412563. The cubic root of 1852449609 is about 1228.1426147025.

The spelling of 1852449609 in words is "one billion, eight hundred fifty-two million, four hundred forty-nine thousand, six hundred nine".