2081472745 has 16 divisors (see below), whose sum is σ = 2843309952. Its totient is φ = 1447980160.

The previous prime is 2081472727. The next prime is 2081472751. The reversal of 2081472745 is 5472741802.

It is not a de Polignac number, because 2081472745 - 2¹¹ = 2081470697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2081472698 and 2081472707.

It is an unprimeable number.

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, 821452 + ... + 823981.

It is an arithmetic number, because the mean of its divisors is an integer number (177706872).

Almost surely, 2^2081472745 is an apocalyptic number.

It is an amenable number.

2081472745 is a deficient number, since it is larger than the sum of its proper divisors (761837207).

2081472745 is a wasteful number, since it uses less digits than its factorization.

2081472745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645472.

The product of its (nonzero) digits is 125440, while the sum is 40.

The square root of 2081472745 is about 45623.1601820830. The cubic root of 2081472745 is about 1276.8020643763.

The spelling of 2081472745 in words is "two billion, eighty-one million, four hundred seventy-two thousand, seven hundred forty-five".