999936964001 has 2 divisors, whose sum is σ = 999936964002. Its totient is φ = 999936964000.

The previous prime is 999936963931. The next prime is 999936964003. The reversal of 999936964001 is 100469639999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 691716573025 + 308220390976 = 831695^2 + 555176^2 .

It is a cyclic number.

It is not a de Polignac number, because 999936964001 - 2¹⁰ = 999936962977 is a prime.

Together with 999936964003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (999936964003) 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, 499968482000 + 499968482001.

It is an arithmetic number, because the mean of its divisors is an integer number (499968482001).

Almost surely, 2^999936964001 is an apocalyptic number.

999936964001 is the 447200-th centered decagonal number.

It is an amenable number.

999936964001 is a deficient number, since it is larger than the sum of its proper divisors (1).

999936964001 is an equidigital number, since it uses as much as digits as its factorization.

999936964001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25509168, while the sum is 65.

The spelling of 999936964001 in words is "nine hundred ninety-nine billion, nine hundred thirty-six million, nine hundred sixty-four thousand, one".