4667564381 has 4 divisors (see below), whose sum is σ = 4701634332. Its totient is φ = 4633494432.

The previous prime is 4667564357. The next prime is 4667564411. The reversal of 4667564381 is 1834657664.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3851319481 + 816244900 = 62059^2 + 28570^2 .

It is a cyclic number.

It is not a de Polignac number, because 4667564381 - 2²² = 4663370077 is a prime.

It is a super-2 number, since 2×4667564381² = 43572314501559826322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4667564351) 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, 17034770 + ... + 17035043.

It is an arithmetic number, because the mean of its divisors is an integer number (1175408583).

Almost surely, 2^4667564381 is an apocalyptic number.

It is an amenable number.

4667564381 is a deficient number, since it is larger than the sum of its proper divisors (34069951).

4667564381 is a wasteful number, since it uses less digits than its factorization.

4667564381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34069950.

The product of its digits is 2903040, while the sum is 50.

The square root of 4667564381 is about 68319.5753865611. The cubic root of 4667564381 is about 1671.2064597706.

The spelling of 4667564381 in words is "four billion, six hundred sixty-seven million, five hundred sixty-four thousand, three hundred eighty-one".