2906879845 has 4 divisors (see below), whose sum is σ = 3488255820. Its totient is φ = 2325503872.

The previous prime is 2906879821. The next prime is 2906879849. The reversal of 2906879845 is 5489786092.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1172240644 + 1734639201 = 34238^2 + 41649^2 .

It is a cyclic number.

It is not a de Polignac number, because 2906879845 - 2¹¹ = 2906877797 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2906879845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2906879849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290687980 + ... + 290687989.

It is an arithmetic number, because the mean of its divisors is an integer number (872063955).

Almost surely, 2^2906879845 is an apocalyptic number.

It is an amenable number.

2906879845 is a deficient number, since it is larger than the sum of its proper divisors (581375975).

2906879845 is an equidigital number, since it uses as much as digits as its factorization.

2906879845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581375974.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The square root of 2906879845 is about 53915.4879881468. The cubic root of 2906879845 is about 1427.1699526195.

The spelling of 2906879845 in words is "two billion, nine hundred six million, eight hundred seventy-nine thousand, eight hundred forty-five".