2641928447 has 2 divisors, whose sum is σ = 2641928448. Its totient is φ = 2641928446.

The previous prime is 2641928441. The next prime is 2641928461. The reversal of 2641928447 is 7448291462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2641928447 - 2⁶ = 2641928383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2641928441) 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, 1320964223 + 1320964224.

It is an arithmetic number, because the mean of its divisors is an integer number (1320964224).

Almost surely, 2^2641928447 is an apocalyptic number.

2641928447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2641928447 is an equidigital number, since it uses as much as digits as its factorization.

2641928447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 47.

The square root of 2641928447 is about 51399.6930632859. The cubic root of 2641928447 is about 1382.4210889672.

The spelling of 2641928447 in words is "two billion, six hundred forty-one million, nine hundred twenty-eight thousand, four hundred forty-seven".