2580445871 has 2 divisors, whose sum is σ = 2580445872. Its totient is φ = 2580445870.

The previous prime is 2580445849. The next prime is 2580445909. The reversal of 2580445871 is 1785440852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2580445871 - 2⁶ = 2580445807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2580447871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1290222935 + 1290222936.

It is an arithmetic number, because the mean of its divisors is an integer number (1290222936).

Almost surely, 2^2580445871 is an apocalyptic number.

2580445871 is a deficient number, since it is larger than the sum of its proper divisors (1).

2580445871 is an equidigital number, since it uses as much as digits as its factorization.

2580445871 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 358400, while the sum is 44.

The square root of 2580445871 is about 50798.0892455612. The cubic root of 2580445871 is about 1371.6129742083.

The spelling of 2580445871 in words is "two billion, five hundred eighty million, four hundred forty-five thousand, eight hundred seventy-one".