2979571609 has 16 divisors (see below), whose sum is σ = 3518951040. Its totient is φ = 2469801600.

The previous prime is 2979571607. The next prime is 2979571667. The reversal of 2979571609 is 9061759792.

2979571609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2979571609 - 2¹ = 2979571607 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2979571609.

It is not an unprimeable number, because it can be changed into a prime (2979571607) 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, 18604 + ... + 79405.

It is an arithmetic number, because the mean of its divisors is an integer number (219934440).

Almost surely, 2^2979571609 is an apocalyptic number.

It is an amenable number.

2979571609 is a deficient number, since it is larger than the sum of its proper divisors (539379431).

2979571609 is a wasteful number, since it uses less digits than its factorization.

2979571609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98160.

The product of its (nonzero) digits is 2143260, while the sum is 55.

The square root of 2979571609 is about 54585.4523568322. The cubic root of 2979571609 is about 1438.9684627893.

The spelling of 2979571609 in words is "two billion, nine hundred seventy-nine million, five hundred seventy-one thousand, six hundred nine".