441631459609 has 8 divisors (see below), whose sum is σ = 461383501320. Its totient is φ = 422180976000.

The previous prime is 441631459583. The next prime is 441631459631. The reversal of 441631459609 is 906954136144.

It can be written as a sum of positive squares in 4 ways, for example, as 217076787225 + 224554672384 = 465915^2 + 473872^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 441631459609 - 2²¹ = 441629362457 is a prime.

It is a super-2 number, since 2×441631459609² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441631559609) 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, 75386532 + ... + 75392389.

It is an arithmetic number, because the mean of its divisors is an integer number (57672937665).

Almost surely, 2^441631459609 is an apocalyptic number.

It is an amenable number.

441631459609 is a deficient number, since it is larger than the sum of its proper divisors (19752041711).

441631459609 is a wasteful number, since it uses less digits than its factorization.

441631459609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150779051.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 441631459609 in words is "four hundred forty-one billion, six hundred thirty-one million, four hundred fifty-nine thousand, six hundred nine".