3049321561 has 32 divisors (see below), whose sum is σ = 3651298560. Its totient is φ = 2510054400.

The previous prime is 3049321559. The next prime is 3049321567. The reversal of 3049321561 is 1651239403.

3049321561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3049321561 - 2¹ = 3049321559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3049321567) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2365005 + ... + 2366293.

It is an arithmetic number, because the mean of its divisors is an integer number (114103080).

Almost surely, 2^3049321561 is an apocalyptic number.

It is an amenable number.

3049321561 is a deficient number, since it is larger than the sum of its proper divisors (601976999).

3049321561 is a wasteful number, since it uses less digits than its factorization.

3049321561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3049321561 is about 55220.6624462257. The cubic root of 3049321561 is about 1450.1104253596.

The spelling of 3049321561 in words is "three billion, forty-nine million, three hundred twenty-one thousand, five hundred sixty-one".