464619561 has 16 divisors (see below), whose sum is σ = 709555584. Its totient is φ = 264910464.

The previous prime is 464619517. The next prime is 464619613. The reversal of 464619561 is 165916464.

It is not a de Polignac number, because 464619561 - 2⁷ = 464619433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (464619761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14610 + ... + 33803.

It is an arithmetic number, because the mean of its divisors is an integer number (44347224).

Almost surely, 2^464619561 is an apocalyptic number.

It is an amenable number.

464619561 is a deficient number, since it is larger than the sum of its proper divisors (244936023).

464619561 is a wasteful number, since it uses less digits than its factorization.

464619561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48880.

The product of its digits is 155520, while the sum is 42.

The square root of 464619561 is about 21555.0356297548. The cubic root of 464619561 is about 774.5197501897.

The spelling of 464619561 in words is "four hundred sixty-four million, six hundred nineteen thousand, five hundred sixty-one".