2001730838815 has 8 divisors (see below), whose sum is σ = 2402243822880. Its totient is φ = 1601273460192.

The previous prime is 2001730838803. The next prime is 2001730838837. The reversal of 2001730838815 is 5188380371002.

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 2001730838815 - 2²³ = 2001722450207 is a prime.

It is a super-4 number, since 4×2001730838815⁴ (a number of 50 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13822120 + ... + 13966189.

It is an arithmetic number, because the mean of its divisors is an integer number (300280477860).

Almost surely, 2^{2001730838815} is an apocalyptic number.

2001730838815 is a deficient number, since it is larger than the sum of its proper divisors (400512984065).

2001730838815 is a wasteful number, since it uses less digits than its factorization.

2001730838815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27802721.

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 2001730838815 in words is "two trillion, one billion, seven hundred thirty million, eight hundred thirty-eight thousand, eight hundred fifteen".