3049611621 has 16 divisors (see below), whose sum is σ = 4652957184. Its totient is φ = 1740411504.

The previous prime is 3049611599. The next prime is 3049611637. The reversal of 3049611621 is 1261169403.

3049611621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3049611621 - 2⁹ = 3049611109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3049661621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75735 + ... + 108788.

It is an arithmetic number, because the mean of its divisors is an integer number (290809824).

Almost surely, 2^3049611621 is an apocalyptic number.

It is an amenable number.

3049611621 is a deficient number, since it is larger than the sum of its proper divisors (1603345563).

3049611621 is a wasteful number, since it uses less digits than its factorization.

3049611621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185320.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3049611621 is about 55223.2887557414. The cubic root of 3049611621 is about 1450.1564034223.

The spelling of 3049611621 in words is "three billion, forty-nine million, six hundred eleven thousand, six hundred twenty-one".