2070579891 has 16 divisors (see below), whose sum is σ = 2934858240. Its totient is φ = 1294783200.

The previous prime is 2070579881. The next prime is 2070579893. The reversal of 2070579891 is 1989750702.

It is not a de Polignac number, because 2070579891 - 2¹⁵ = 2070547123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2070579891.

It is not an unprimeable number, because it can be changed into a prime (2070579893) 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, 174075 + ... + 185588.

It is an arithmetic number, because the mean of its divisors is an integer number (183428640).

Almost surely, 2^2070579891 is an apocalyptic number.

2070579891 is a deficient number, since it is larger than the sum of its proper divisors (864278349).

2070579891 is a wasteful number, since it uses less digits than its factorization.

2070579891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359786.

The product of its (nonzero) digits is 317520, while the sum is 48.

The square root of 2070579891 is about 45503.6250314192. The cubic root of 2070579891 is about 1274.5708956616.

The spelling of 2070579891 in words is "two billion, seventy million, five hundred seventy-nine thousand, eight hundred ninety-one".