2528944867 has 2 divisors, whose sum is σ = 2528944868. Its totient is φ = 2528944866.

The previous prime is 2528944807. The next prime is 2528944981. The reversal of 2528944867 is 7684498252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2528944867 - 2¹⁹ = 2528420579 is a prime.

It is not a weakly prime, because it can be changed into another prime (2528944807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1264472433 + 1264472434.

It is an arithmetic number, because the mean of its divisors is an integer number (1264472434).

Almost surely, 2^2528944867 is an apocalyptic number.

2528944867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2528944867 is an equidigital number, since it uses as much as digits as its factorization.

2528944867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7741440, while the sum is 55.

The square root of 2528944867 is about 50288.6156798932. The cubic root of 2528944867 is about 1362.4266197553.

The spelling of 2528944867 in words is "two billion, five hundred twenty-eight million, nine hundred forty-four thousand, eight hundred sixty-seven".