468661831345 has 8 divisors (see below), whose sum is σ = 581787101160. Its totient is φ = 362000862720.

The previous prime is 468661831343. The next prime is 468661831367. The reversal of 468661831345 is 543138166864.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37664329329 + 430997502016 = 194073^2 + 656504^2 .

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

It is not a de Polignac number, because 468661831345 - 2¹ = 468661831343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (468661831343) 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 7 ways as a sum of consecutive naturals, for example, 1616075136 + ... + 1616075425.

It is an arithmetic number, because the mean of its divisors is an integer number (72723387645).

Almost surely, 2^468661831345 is an apocalyptic number.

It is an amenable number.

468661831345 is a deficient number, since it is larger than the sum of its proper divisors (113125269815).

468661831345 is a wasteful number, since it uses less digits than its factorization.

468661831345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232150595.

The product of its digits is 9953280, while the sum is 55.

The spelling of 468661831345 in words is "four hundred sixty-eight billion, six hundred sixty-one million, eight hundred thirty-one thousand, three hundred forty-five".