1850089549 has 16 divisors (see below), whose sum is σ = 2442289536. Its totient is φ = 1356825600.

The previous prime is 1850089531. The next prime is 1850089561. The reversal of 1850089549 is 9459800581.

It is a cyclic number.

It is not a de Polignac number, because 1850089549 - 2⁷ = 1850089421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1850089049) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 705372 + ... + 707989.

It is an arithmetic number, because the mean of its divisors is an integer number (152643096).

Almost surely, 2^1850089549 is an apocalyptic number.

It is an amenable number.

1850089549 is a deficient number, since it is larger than the sum of its proper divisors (592199987).

1850089549 is a wasteful number, since it uses less digits than its factorization.

1850089549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413396.

The product of its (nonzero) digits is 518400, while the sum is 49.

The square root of 1850089549 is about 43012.6673085964. The cubic root of 1850089549 is about 1227.6208331598.

The spelling of 1850089549 in words is "one billion, eight hundred fifty million, eighty-nine thousand, five hundred forty-nine".