1850058081 has 12 divisors (see below), whose sum is σ = 2716115220. Its totient is φ = 1213152480.

The previous prime is 1850058071. The next prime is 1850058097. The reversal of 1850058081 is 1808500581.

It can be written as a sum of positive squares in 2 ways, for example, as 575568081 + 1274490000 = 23991^2 + 35700^2 .

It is not a de Polignac number, because 1850058081 - 2⁶ = 1850058017 is a prime.

It is a super-2 number, since 2×1850058081² = 6845429806146805122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1850058071) 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, 1684386 + ... + 1685483.

It is an arithmetic number, because the mean of its divisors is an integer number (226342935).

Almost surely, 2^1850058081 is an apocalyptic number.

It is an amenable number.

1850058081 is a deficient number, since it is larger than the sum of its proper divisors (866057139).

1850058081 is a wasteful number, since it uses less digits than its factorization.

1850058081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3369936 (or 3369933 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 1850058081 is about 43012.3015078245. The cubic root of 1850058081 is about 1227.6138729577.

The spelling of 1850058081 in words is "one billion, eight hundred fifty million, fifty-eight thousand, eighty-one".