2664805953 has 8 divisors (see below), whose sum is σ = 3628672128. Its totient is φ = 1738738544.

The previous prime is 2664805939. The next prime is 2664805961. The reversal of 2664805953 is 3595084662.

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 2664805953 - 2²⁰ = 2663757377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2664805963) 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 7 ways as a sum of consecutive naturals, for example, 9449526 + ... + 9449807.

It is an arithmetic number, because the mean of its divisors is an integer number (453584016).

Almost surely, 2^2664805953 is an apocalyptic number.

It is an amenable number.

2664805953 is a deficient number, since it is larger than the sum of its proper divisors (963866175).

2664805953 is a wasteful number, since it uses less digits than its factorization.

2664805953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18899383.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The square root of 2664805953 is about 51621.7585229329. The cubic root of 2664805953 is about 1386.3999369538.

The spelling of 2664805953 in words is "two billion, six hundred sixty-four million, eight hundred five thousand, nine hundred fifty-three".