999064083601 has 2 divisors, whose sum is σ = 999064083602. Its totient is φ = 999064083600.

The previous prime is 999064083581. The next prime is 999064083613. The reversal of 999064083601 is 106380460999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650279347201 + 348784736400 = 806399^2 + 590580^2 .

It is a cyclic number.

It is not a de Polignac number, because 999064083601 - 2³⁷ = 861625130129 is a prime.

It is not a weakly prime, because it can be changed into another prime (999064083301) 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, 499532041800 + 499532041801.

It is an arithmetic number, because the mean of its divisors is an integer number (499532041801).

Almost surely, 2^999064083601 is an apocalyptic number.

999064083601 is the 632160-th centered pentagonal number.

It is an amenable number.

999064083601 is a deficient number, since it is larger than the sum of its proper divisors (1).

999064083601 is an equidigital number, since it uses as much as digits as its factorization.

999064083601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 999064083601 in words is "nine hundred ninety-nine billion, sixty-four million, eighty-three thousand, six hundred one".