2001045335519 has 4 divisors (see below), whose sum is σ = 2006410068696. Its totient is φ = 1995680602344.

The previous prime is 2001045335501. The next prime is 2001045335521. The reversal of 2001045335519 is 9155335401002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2001045335519 - 2¹⁶ = 2001045269983 is a prime.

It is a super-2 number, since 2×2001045335519² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001045335539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2682366029 + ... + 2682366774.

It is an arithmetic number, because the mean of its divisors is an integer number (501602517174).

Almost surely, 2^{2001045335519} is an apocalyptic number.

2001045335519 is a deficient number, since it is larger than the sum of its proper divisors (5364733177).

2001045335519 is an equidigital number, since it uses as much as digits as its factorization.

2001045335519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364733176.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 2001045335519 in words is "two trillion, one billion, forty-five million, three hundred thirty-five thousand, five hundred nineteen".