2809051058 has 18 divisors (see below), whose sum is σ = 4632811743. Its totient is φ = 1276466620.

The previous prime is 2809051057. The next prime is 2809051097. The reversal of 2809051058 is 8501509082.

It can be written as a sum of positive squares in only one way, i.e., 1404525529 + 1404525529 = 37477^2 + 37477^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=37477.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2809051057) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 822791 + ... + 826197.

Almost surely, 2^2809051058 is an apocalyptic number.

2809051058 is a deficient number, since it is larger than the sum of its proper divisors (1823760685).

2809051058 is an frugal number, since it uses more digits than its factorization.

2809051058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838 (or 3420 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 2809051058 is about 53000.4816770565. The cubic root of 2809051058 is about 1410.9768155416.

Multiplying 2809051058 by its product of nonzero digits (28800), we get a square (80900670470400 = 8994480²).

The spelling of 2809051058 in words is "two billion, eight hundred nine million, fifty-one thousand, fifty-eight".