2664530723 has 4 divisors (see below), whose sum is σ = 2698259040. Its totient is φ = 2630802408.

The previous prime is 2664530719. The next prime is 2664530741. The reversal of 2664530723 is 3270354662.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2664530723 - 2² = 2664530719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664530773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16864040 + ... + 16864197.

It is an arithmetic number, because the mean of its divisors is an integer number (674564760).

Almost surely, 2^2664530723 is an apocalyptic number.

2664530723 is a deficient number, since it is larger than the sum of its proper divisors (33728317).

2664530723 is an equidigital number, since it uses as much as digits as its factorization.

2664530723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33728316.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 2664530723 is about 51619.0926208511. The cubic root of 2664530723 is about 1386.3522046487.

The spelling of 2664530723 in words is "two billion, six hundred sixty-four million, five hundred thirty thousand, seven hundred twenty-three".