1290528944867 has 2 divisors, whose sum is σ = 1290528944868. Its totient is φ = 1290528944866.

The previous prime is 1290528944863. The next prime is 1290528944909. The reversal of 1290528944867 is 7684498250921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1290528944867 - 2² = 1290528944863 is a prime.

It is not a weakly prime, because it can be changed into another prime (1290528944863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645264472433 + 645264472434.

It is an arithmetic number, because the mean of its divisors is an integer number (645264472434).

Almost surely, 2^{1290528944867} is an apocalyptic number.

1290528944867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1290528944867 is an equidigital number, since it uses as much as digits as its factorization.

1290528944867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69672960, while the sum is 65.

The spelling of 1290528944867 in words is "one trillion, two hundred ninety billion, five hundred twenty-eight million, nine hundred forty-four thousand, eight hundred sixty-seven".