999999272999959 has 2 divisors, whose sum is σ = 999999272999960. Its totient is φ = 999999272999958.

The previous prime is 999999272999897. The next prime is 999999272999999. The reversal of 999999272999959 is 959999272999999.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 999999272999959 - 2¹¹ = 999999272997911 is a prime.

It is a super-2 number, since 2×999999272999959² (a number of 31 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (999999272999999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499999636499979 + 499999636499980.

It is an arithmetic number, because the mean of its divisors is an integer number (499999636499980).

Almost surely, 2^{999999272999959} is an apocalyptic number.

999999272999959 is a deficient number, since it is larger than the sum of its proper divisors (1).

999999272999959 is an equidigital number, since it uses as much as digits as its factorization.

999999272999959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4393348345260, while the sum is 115.

The spelling of 999999272999959 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 fifty-nine".