2664384421 has 8 divisors (see below), whose sum is σ = 2807013600. Its totient is φ = 2521995120.

The previous prime is 2664384397. The next prime is 2664384427. The reversal of 2664384421 is 1244834662.

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 2664384421 - 2¹⁵ = 2664351653 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 (2664384427) 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, 36931 + ... + 81808.

It is an arithmetic number, because the mean of its divisors is an integer number (350876700).

Almost surely, 2^2664384421 is an apocalyptic number.

It is an amenable number.

2664384421 is a deficient number, since it is larger than the sum of its proper divisors (142629179).

2664384421 is a wasteful number, since it uses less digits than its factorization.

2664384421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119939.

The product of its digits is 221184, while the sum is 40.

The square root of 2664384421 is about 51617.6754707145. The cubic root of 2664384421 is about 1386.3268305981.

The spelling of 2664384421 in words is "two billion, six hundred sixty-four million, three hundred eighty-four thousand, four hundred twenty-one".