2001041749 has 8 divisors (see below), whose sum is σ = 2287216448. Its totient is φ = 1714944960.

The previous prime is 2001041741. The next prime is 2001041761. The reversal of 2001041749 is 9471401002.

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 2001041749 - 2³ = 2001041741 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 (2001041741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54109 + ... + 83245.

It is an arithmetic number, because the mean of its divisors is an integer number (285902056).

Almost surely, 2^2001041749 is an apocalyptic number.

It is an amenable number.

2001041749 is a deficient number, since it is larger than the sum of its proper divisors (286174699).

2001041749 is an equidigital number, since it uses as much as digits as its factorization.

2001041749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38955.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2001041749 is about 44733.0051416177. The cubic root of 2001041749 is about 1260.1397655071.

The spelling of 2001041749 in words is "two billion, one million, forty-one thousand, seven hundred forty-nine".