4567906561 has 4 divisors (see below), whose sum is σ = 4568204224. Its totient is φ = 4567608900.

The previous prime is 4567906537. The next prime is 4567906589. The reversal of 4567906561 is 1656097654.

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 4567906561 - 2⁷ = 4567906433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4567906501) 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, 124485 + ... + 156946.

It is an arithmetic number, because the mean of its divisors is an integer number (1142051056).

Almost surely, 2^4567906561 is an apocalyptic number.

It is an amenable number.

4567906561 is a deficient number, since it is larger than the sum of its proper divisors (297663).

4567906561 is a wasteful number, since it uses less digits than its factorization.

4567906561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297662.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 4567906561 is about 67586.2897413373. The cubic root of 4567906561 is about 1659.2267363112.

The spelling of 4567906561 in words is "four billion, five hundred sixty-seven million, nine hundred six thousand, five hundred sixty-one".