2578971011 has 2 divisors, whose sum is σ = 2578971012. Its totient is φ = 2578971010.

The previous prime is 2578971001. The next prime is 2578971013. The reversal of 2578971011 is 1101798752.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2578971011 is a prime.

Together with 2578971013, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2578971011.

It is not a weakly prime, because it can be changed into another prime (2578971013) by changing a digit.

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 as a sum of consecutive naturals, namely, 1289485505 + 1289485506.

It is an arithmetic number, because the mean of its divisors is an integer number (1289485506).

Almost surely, 2^2578971011 is an apocalyptic number.

2578971011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2578971011 is an equidigital number, since it uses as much as digits as its factorization.

2578971011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 41.

The square root of 2578971011 is about 50783.5702860679. The cubic root of 2578971011 is about 1371.3516081836.

The spelling of 2578971011 in words is "two billion, five hundred seventy-eight million, nine hundred seventy-one thousand, eleven".