1005631164269 has 2 divisors, whose sum is σ = 1005631164270. Its totient is φ = 1005631164268.

The previous prime is 1005631164253. The next prime is 1005631164367. The reversal of 1005631164269 is 9624611365001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 998676438244 + 6954726025 = 999338^2 + 83395^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005631164269 - 2⁴ = 1005631164253 is a prime.

It is a super-2 number, since 2×1005631164269² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005631124269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502815582134 + 502815582135.

It is an arithmetic number, because the mean of its divisors is an integer number (502815582135).

Almost surely, 2^{1005631164269} is an apocalyptic number.

It is an amenable number.

1005631164269 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005631164269 is an equidigital number, since it uses as much as digits as its factorization.

1005631164269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 1005631164269 in words is "one trillion, five billion, six hundred thirty-one million, one hundred sixty-four thousand, two hundred sixty-nine".