1001000100869 has 2 divisors, whose sum is σ = 1001000100870. Its totient is φ = 1001000100868.

The previous prime is 1001000100847. The next prime is 1001000100883. The reversal of 1001000100869 is 9680010001001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 508354740100 + 492645360769 = 712990^2 + 701887^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001000100869 is a prime.

It is a super-2 number, since 2×1001000100869² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1001000100829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500500050434 + 500500050435.

It is an arithmetic number, because the mean of its divisors is an integer number (500500050435).

Almost surely, 2^{1001000100869} is an apocalyptic number.

It is an amenable number.

1001000100869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001000100869 is an equidigital number, since it uses as much as digits as its factorization.

1001000100869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 1001000100869 in words is "one trillion, one billion, one hundred thousand, eight hundred sixty-nine".