2947834805 has 6 divisors (see below), whose sum is σ = 3537547458. Its totient is φ = 2358170720.

The previous prime is 2947834793. The next prime is 2947834811. The reversal of 2947834805 is 5084387492.

It can be written as a sum of positive squares in 3 ways, for example, as 1812886084 + 1134948721 = 42578^2 + 33689^2 .

It is not a de Polignac number, because 2947834805 - 2¹² = 2947830709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109265 + ... + 133545.

It is an arithmetic number, because the mean of its divisors is an integer number (589591243).

Almost surely, 2^2947834805 is an apocalyptic number.

It is an amenable number.

2947834805 is a deficient number, since it is larger than the sum of its proper divisors (589712653).

2947834805 is an frugal number, since it uses more digits than its factorization.

2947834805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48567 (or 24286 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 50.

The square root of 2947834805 is about 54293.9665616724. The cubic root of 2947834805 is about 1433.8411741422.

The spelling of 2947834805 in words is "two billion, nine hundred forty-seven million, eight hundred thirty-four thousand, eight hundred five".