1000996019801 has 2 divisors, whose sum is σ = 1000996019802. Its totient is φ = 1000996019800.

The previous prime is 1000996019789. The next prime is 1000996019833. The reversal of 1000996019801 is 1089106990001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 675125155600 + 325870864201 = 821660^2 + 570851^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000996019801 - 2¹⁰ = 1000996018777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1000996099801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500498009900 + 500498009901.

It is an arithmetic number, because the mean of its divisors is an integer number (500498009901).

Almost surely, 2^{1000996019801} is an apocalyptic number.

It is an amenable number.

1000996019801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000996019801 is an equidigital number, since it uses as much as digits as its factorization.

1000996019801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 44.

The spelling of 1000996019801 in words is "one trillion, nine hundred ninety-six million, nineteen thousand, eight hundred one".