3049563281 has 4 divisors (see below), whose sum is σ = 3062323200. Its totient is φ = 3036803364.

The previous prime is 3049563277. The next prime is 3049563287. The reversal of 3049563281 is 1823659403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3049563281 - 2² = 3049563277 is a prime.

It is a super-2 number, since 2×3049563281² = 18599672409646969922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3049563287) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6379601 + ... + 6380078.

It is an arithmetic number, because the mean of its divisors is an integer number (765580800).

Almost surely, 2^3049563281 is an apocalyptic number.

It is an amenable number.

3049563281 is a deficient number, since it is larger than the sum of its proper divisors (12759919).

3049563281 is a wasteful number, since it uses less digits than its factorization.

3049563281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12759918.

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 3049563281 is about 55222.8510763434. The cubic root of 3049563281 is about 1450.1487411427.

The spelling of 3049563281 in words is "three billion, forty-nine million, five hundred sixty-three thousand, two hundred eighty-one".