2061749001 has 64 divisors (see below), whose sum is σ = 3258178560. Its totient is φ = 1147944960.

The previous prime is 2061748999. The next prime is 2061749051. The reversal of 2061749001 is 1009471602.

It is a happy number.

It is not a de Polignac number, because 2061749001 - 2¹ = 2061748999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2061749001.

It is not an unprimeable number, because it can be changed into a prime (2061749051) 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 63 ways as a sum of consecutive naturals, for example, 1983840 + ... + 1984878.

It is an arithmetic number, because the mean of its divisors is an integer number (50909040).

Almost surely, 2^2061749001 is an apocalyptic number.

It is an amenable number.

2061749001 is a deficient number, since it is larger than the sum of its proper divisors (1196429559).

2061749001 is a wasteful number, since it uses less digits than its factorization.

2061749001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186.

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

The square root of 2061749001 is about 45406.4863318007. The cubic root of 2061749001 is about 1272.7563259186.

The spelling of 2061749001 in words is "two billion, sixty-one million, seven hundred forty-nine thousand, one".