3045489861 has 16 divisors (see below), whose sum is σ = 4119796800. Its totient is φ = 2000969088.

The previous prime is 3045489851. The next prime is 3045489877. The reversal of 3045489861 is 1689845403.

It is not a de Polignac number, because 3045489861 - 2²³ = 3037101253 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3045489861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3045489851) 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 15 ways as a sum of consecutive naturals, for example, 30475 + ... + 83783.

It is an arithmetic number, because the mean of its divisors is an integer number (257487300).

Almost surely, 2^3045489861 is an apocalyptic number.

It is an amenable number.

3045489861 is a deficient number, since it is larger than the sum of its proper divisors (1074306939).

3045489861 is a wasteful number, since it uses less digits than its factorization.

3045489861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53588.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 3045489861 is about 55185.9570996100. The cubic root of 3045489861 is about 1449.5027801320.

The spelling of 3045489861 in words is "three billion, forty-five million, four hundred eighty-nine thousand, eight hundred sixty-one".