1001010009998 has 16 divisors (see below), whose sum is σ = 1516429247616. Its totient is φ = 495533906400.

The previous prime is 1001010009997. The next prime is 1001010010001. The reversal of 1001010009998 is 8999000101001.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001010009991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8909540 + ... + 9021192.

It is an arithmetic number, because the mean of its divisors is an integer number (94776827976).

Almost surely, 2^{1001010009998} is an apocalyptic number.

1001010009998 is a deficient number, since it is larger than the sum of its proper divisors (515419237618).

1001010009998 is a wasteful number, since it uses less digits than its factorization.

1001010009998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156139.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 1001010009998 in words is "one trillion, one billion, ten million, nine thousand, nine hundred ninety-eight".