10001000009939 has 2 divisors, whose sum is σ = 10001000009940. Its totient is φ = 10001000009938.

The previous prime is 10001000009929. The next prime is 10001000010017. The reversal of 10001000009939 is 93990000010001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10001000009939 - 2²⁰ = 10000998961363 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10001000009929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000500004969 + 5000500004970.

It is an arithmetic number, because the mean of its divisors is an integer number (5000500004970).

Almost surely, 2^{10001000009939} is an apocalyptic number.

10001000009939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001000009939 is an equidigital number, since it uses as much as digits as its factorization.

10001000009939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 32.

The spelling of 10001000009939 in words is "ten trillion, one billion, nine thousand, nine hundred thirty-nine".