4665645363421 has 8 divisors (see below), whose sum is σ = 5333246210880. Its totient is φ = 3998314536288.

The previous prime is 4665645363419. The next prime is 4665645363443. The reversal of 4665645363421 is 1243635465664.

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 4665645363421 - 2¹ = 4665645363419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4665645363461) 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, 67468051 + ... + 67537168.

It is an arithmetic number, because the mean of its divisors is an integer number (666655776360).

Almost surely, 2^{4665645363421} is an apocalyptic number.

It is an amenable number.

4665645363421 is a deficient number, since it is larger than the sum of its proper divisors (667600847459).

4665645363421 is a wasteful number, since it uses less digits than its factorization.

4665645363421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135010163.

The product of its digits is 37324800, while the sum is 55.

The spelling of 4665645363421 in words is "four trillion, six hundred sixty-five billion, six hundred forty-five million, three hundred sixty-three thousand, four hundred twenty-one".