2001830201509 has 8 divisors (see below), whose sum is σ = 2052022429440. Its totient is φ = 1951954644336.

The previous prime is 2001830201479. The next prime is 2001830201549. The reversal of 2001830201509 is 9051020381002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001830201509 - 2⁷ = 2001830201381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001830201549) 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 in 7 ways as a sum of consecutive naturals, for example, 79154889 + ... + 79180174.

It is an arithmetic number, because the mean of its divisors is an integer number (256502803680).

Almost surely, 2^{2001830201509} is an apocalyptic number.

It is an amenable number.

2001830201509 is a deficient number, since it is larger than the sum of its proper divisors (50192227931).

2001830201509 is a wasteful number, since it uses less digits than its factorization.

2001830201509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158335379.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 2001830201509 in words is "two trillion, one billion, eight hundred thirty million, two hundred one thousand, five hundred nine".