999999272999999 has 2 divisors, whose sum is σ = 999999273000000. Its totient is φ = 999999272999998.

The previous prime is 999999272999959. The next prime is 999999273000073.

It is a happy number.

999999272999999 is nontrivially palindromic in base 10.

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999999272999999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999999272999959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999636499999 + 499999636500000.

It is an arithmetic number, because the mean of its divisors is an integer number (499999636500000).

Almost surely, 2^{999999272999999} is an apocalyptic number.

999999272999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999272999999 is an equidigital number, since it uses as much as digits as its factorization.

999999272999999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7908027021468, while the sum is 119.

The spelling of 999999272999999 in words is "nine hundred ninety-nine trillion, nine hundred ninety-nine billion, two hundred seventy-two million, nine hundred ninety-nine thousand, nine hundred ninety-nine".