4564746561 has 8 divisors (see below), whose sum is σ = 6406661920. Its totient is φ = 2882997792.

The previous prime is 4564746541. The next prime is 4564746569. The reversal of 4564746561 is 1656474654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4564746561 - 2⁹ = 4564746049 is a prime.

It is a super-2 number, since 2×4564746561² = 41673822332322653442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4564746561.

It is not an unprimeable number, because it can be changed into a prime (4564746569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40041580 + ... + 40041693.

It is an arithmetic number, because the mean of its divisors is an integer number (800832740).

Almost surely, 2^4564746561 is an apocalyptic number.

It is an amenable number.

4564746561 is a deficient number, since it is larger than the sum of its proper divisors (1841915359).

4564746561 is a wasteful number, since it uses less digits than its factorization.

4564746561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80083295.

The product of its digits is 2419200, while the sum is 48.

The square root of 4564746561 is about 67562.9081745302. The cubic root of 4564746561 is about 1658.8440397795.

The spelling of 4564746561 in words is "four billion, five hundred sixty-four million, seven hundred forty-six thousand, five hundred sixty-one".