2106001749 has 8 divisors (see below), whose sum is σ = 2839553280. Its totient is φ = 1388225696.

The previous prime is 2106001741. The next prime is 2106001801. The reversal of 2106001749 is 9471006012.

It is a happy number.

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 2106001749 - 2³ = 2106001741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106001741) 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, 3943557 + ... + 3944090.

It is an arithmetic number, because the mean of its divisors is an integer number (354944160).

Almost surely, 2^2106001749 is an apocalyptic number.

It is an amenable number.

2106001749 is a deficient number, since it is larger than the sum of its proper divisors (733551531).

2106001749 is an equidigital number, since it uses as much as digits as its factorization.

2106001749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7887739.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2106001749 is about 45891.1946782822. The cubic root of 2106001749 is about 1281.7979593469.

The spelling of 2106001749 in words is "two billion, one hundred six million, one thousand, seven hundred forty-nine".