2905579249 has 2 divisors, whose sum is σ = 2905579250. Its totient is φ = 2905579248.

The previous prime is 2905579247. The next prime is 2905579277. The reversal of 2905579249 is 9429755092.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1642843024 + 1262736225 = 40532^2 + 35535^2 .

It is a cyclic number.

It is not a de Polignac number, because 2905579249 - 2¹ = 2905579247 is a prime.

Together with 2905579247, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2905579196 and 2905579205.

It is not a weakly prime, because it can be changed into another prime (2905579247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452789624 + 1452789625.

It is an arithmetic number, because the mean of its divisors is an integer number (1452789625).

Almost surely, 2^2905579249 is an apocalyptic number.

It is an amenable number.

2905579249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2905579249 is an equidigital number, since it uses as much as digits as its factorization.

2905579249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The square root of 2905579249 is about 53903.4252065673. The cubic root of 2905579249 is about 1426.9570727702.

The spelling of 2905579249 in words is "two billion, nine hundred five million, five hundred seventy-nine thousand, two hundred forty-nine".