10001042409989 has 2 divisors, whose sum is σ = 10001042409990. Its totient is φ = 10001042409988.

The previous prime is 10001042409971. The next prime is 10001042410043. The reversal of 10001042409989 is 98990424010001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7875555420964 + 2125486989025 = 2806342^2 + 1457905^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001042409989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001042409949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000521204994 + 5000521204995.

It is an arithmetic number, because the mean of its divisors is an integer number (5000521204995).

Almost surely, 2^{10001042409989} is an apocalyptic number.

It is an amenable number.

10001042409989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001042409989 is an equidigital number, since it uses as much as digits as its factorization.

10001042409989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 10001042409989 in words is "ten trillion, one billion, forty-two million, four hundred nine thousand, nine hundred eighty-nine".