2664465244321 has 8 divisors (see below), whose sum is σ = 2830431454400. Its totient is φ = 2501072154000.

The previous prime is 2664465244319. The next prime is 2664465244351. The reversal of 2664465244321 is 1234425644662.

It is a happy number.

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 2664465244321 - 2¹ = 2664465244319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664465244351) 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, 643277805 + ... + 643281946.

It is an arithmetic number, because the mean of its divisors is an integer number (353803931800).

Almost surely, 2^{2664465244321} is an apocalyptic number.

It is an amenable number.

2664465244321 is a deficient number, since it is larger than the sum of its proper divisors (165966210079).

2664465244321 is a wasteful number, since it uses less digits than its factorization.

2664465244321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286559879.

The product of its digits is 6635520, while the sum is 49.

The spelling of 2664465244321 in words is "two trillion, six hundred sixty-four billion, four hundred sixty-five million, two hundred forty-four thousand, three hundred twenty-one".