945467384321 has 4 divisors (see below), whose sum is σ = 945513451092. Its totient is φ = 945421317552.

The previous prime is 945467384207. The next prime is 945467384341. The reversal of 945467384321 is 123483764549.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123483764549 = 61 ⋅2024324009.

It can be written as a sum of positive squares in 2 ways, for example, as 603317260225 + 342150124096 = 776735^2 + 584936^2 .

It is a cyclic number.

It is not a de Polignac number, because 945467384321 - 2¹⁰ = 945467383297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (945467384341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23002586 + ... + 23043651.

It is an arithmetic number, because the mean of its divisors is an integer number (236378362773).

Almost surely, 2^945467384321 is an apocalyptic number.

It is an amenable number.

945467384321 is a deficient number, since it is larger than the sum of its proper divisors (46066771).

945467384321 is a wasteful number, since it uses less digits than its factorization.

945467384321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46066770.

The product of its digits is 17418240, while the sum is 56.

The spelling of 945467384321 in words is "nine hundred forty-five billion, four hundred sixty-seven million, three hundred eighty-four thousand, three hundred twenty-one".