1983132085 has 16 divisors (see below), whose sum is σ = 2685623040. Its totient is φ = 1392543040.

The previous prime is 1983132083. The next prime is 1983132091. The reversal of 1983132085 is 5802313891.

It is not a de Polignac number, because 1983132085 - 2¹ = 1983132083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983132083) 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, 620077 + ... + 623266.

It is an arithmetic number, because the mean of its divisors is an integer number (167851440).

Almost surely, 2^1983132085 is an apocalyptic number.

It is an amenable number.

1983132085 is a deficient number, since it is larger than the sum of its proper divisors (702490955).

1983132085 is a wasteful number, since it uses less digits than its factorization.

1983132085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243388.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1983132085 is about 44532.3712034291. The cubic root of 1983132085 is about 1256.3690049717.

The spelling of 1983132085 in words is "one billion, nine hundred eighty-three million, one hundred thirty-two thousand, eighty-five".