2908894045 has 4 divisors (see below), whose sum is σ = 3490672860. Its totient is φ = 2327115232.

The previous prime is 2908894003. The next prime is 2908894073. The reversal of 2908894045 is 5404988092.

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 1040320516 + 1868573529 = 32254^2 + 43227^2 .

It is a cyclic number.

It is not a de Polignac number, because 2908894045 - 2¹³ = 2908885853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2908894045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290889400 + ... + 290889409.

It is an arithmetic number, because the mean of its divisors is an integer number (872668215).

Almost surely, 2^2908894045 is an apocalyptic number.

It is an amenable number.

2908894045 is a deficient number, since it is larger than the sum of its proper divisors (581778815).

2908894045 is an equidigital number, since it uses as much as digits as its factorization.

2908894045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581778814.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 2908894045 is about 53934.1639872169. The cubic root of 2908894045 is about 1427.4995089573.

The spelling of 2908894045 in words is "two billion, nine hundred eight million, eight hundred ninety-four thousand, forty-five".