2082578721073 has 32 divisors (see below), whose sum is σ = 2178807531264. Its totient is φ = 1988945280000.

The previous prime is 2082578721043. The next prime is 2082578721089. The reversal of 2082578721073 is 3701278752802.

It is a cyclic number.

It is not a de Polignac number, because 2082578721073 - 2⁹ = 2082578720561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2082578721073.

It is not an unprimeable number, because it can be changed into a prime (2082578721043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 826091053 + ... + 826093573.

It is an arithmetic number, because the mean of its divisors is an integer number (68087735352).

Almost surely, 2^{2082578721073} is an apocalyptic number.

It is an amenable number.

2082578721073 is a deficient number, since it is larger than the sum of its proper divisors (96228810191).

2082578721073 is a wasteful number, since it uses less digits than its factorization.

2082578721073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4537.

The product of its (nonzero) digits is 2634240, while the sum is 52.

The spelling of 2082578721073 in words is "two trillion, eighty-two billion, five hundred seventy-eight million, seven hundred twenty-one thousand, seventy-three".