464743861 has 4 divisors (see below), whose sum is σ = 464806924. Its totient is φ = 464680800.

The previous prime is 464743831. The next prime is 464743921. The reversal of 464743861 is 168347464.

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 96334225 + 368409636 = 9815^2 + 19194^2 .

It is a cyclic number.

It is not a de Polignac number, because 464743861 - 2¹¹ = 464741813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464743831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18750 + ... + 35791.

It is an arithmetic number, because the mean of its divisors is an integer number (116201731).

Almost surely, 2^464743861 is an apocalyptic number.

It is an amenable number.

464743861 is a deficient number, since it is larger than the sum of its proper divisors (63063).

464743861 is an equidigital number, since it uses as much as digits as its factorization.

464743861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63062.

The product of its digits is 387072, while the sum is 43.

The square root of 464743861 is about 21557.9187539057. The cubic root of 464743861 is about 774.5888133035.

The spelling of 464743861 in words is "four hundred sixty-four million, seven hundred forty-three thousand, eight hundred sixty-one".