3418267561 has 4 divisors (see below), whose sum is σ = 3598176400. Its totient is φ = 3238358724.

The previous prime is 3418267549. The next prime is 3418267579. The reversal of 3418267561 is 1657628143.

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 3418267561 - 2¹⁵ = 3418234793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3418267361) 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, 89954391 + ... + 89954428.

It is an arithmetic number, because the mean of its divisors is an integer number (899544100).

Almost surely, 2^3418267561 is an apocalyptic number.

It is an amenable number.

3418267561 is a deficient number, since it is larger than the sum of its proper divisors (179908839).

3418267561 is a wasteful number, since it uses less digits than its factorization.

3418267561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179908838.

The product of its digits is 241920, while the sum is 43.

The square root of 3418267561 is about 58465.9521516583. The cubic root of 3418267561 is about 1506.3828103345.

The spelling of 3418267561 in words is "three billion, four hundred eighteen million, two hundred sixty-seven thousand, five hundred sixty-one".