2082731945 has 16 divisors (see below), whose sum is σ = 2857085568. Its totient is φ = 1427775360.

The previous prime is 2082731941. The next prime is 2082731969. The reversal of 2082731945 is 5491372802.

It is not a de Polignac number, because 2082731945 - 2² = 2082731941 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2082731941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201350 + ... + 211440.

It is an arithmetic number, because the mean of its divisors is an integer number (178567848).

Almost surely, 2^2082731945 is an apocalyptic number.

It is an amenable number.

2082731945 is a deficient number, since it is larger than the sum of its proper divisors (774353623).

2082731945 is a wasteful number, since it uses less digits than its factorization.

2082731945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16000.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 2082731945 is about 45636.9581041506. The cubic root of 2082731945 is about 1277.0594822817.

The spelling of 2082731945 in words is "two billion, eighty-two million, seven hundred thirty-one thousand, nine hundred forty-five".