3049450581 has 16 divisors (see below), whose sum is σ = 4298803200. Its totient is φ = 1917476208.

The previous prime is 3049450549. The next prime is 3049450583. The reversal of 3049450581 is 1850549403.

It is not a de Polignac number, because 3049450581 - 2⁵ = 3049450549 is a prime.

It is a super-2 number, since 2×3049450581² = 18598297691922475122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3049450583) 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, 104901 + ... + 130778.

It is an arithmetic number, because the mean of its divisors is an integer number (268675200).

Almost surely, 2^3049450581 is an apocalyptic number.

It is an amenable number.

3049450581 is a deficient number, since it is larger than the sum of its proper divisors (1249352619).

3049450581 is a wasteful number, since it uses less digits than its factorization.

3049450581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235928.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 3049450581 is about 55221.8306560005. The cubic root of 3049450581 is about 1450.1308769699.

Adding to 3049450581 its reverse (1850549403), we get a palindrome (4899999984).

The spelling of 3049450581 in words is "three billion, forty-nine million, four hundred fifty thousand, five hundred eighty-one".