2660329723 has 2 divisors, whose sum is σ = 2660329724. Its totient is φ = 2660329722.

The previous prime is 2660329717. The next prime is 2660329739. The reversal of 2660329723 is 3279230662.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2660329723 is a prime.

It is not a weakly prime, because it can be changed into another prime (2660321723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330164861 + 1330164862.

It is an arithmetic number, because the mean of its divisors is an integer number (1330164862).

Almost surely, 2^2660329723 is an apocalyptic number.

2660329723 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660329723 is an equidigital number, since it uses as much as digits as its factorization.

2660329723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 40.

The square root of 2660329723 is about 51578.3842612387. The cubic root of 2660329723 is about 1385.6232296164.

The spelling of 2660329723 in words is "two billion, six hundred sixty million, three hundred twenty-nine thousand, seven hundred twenty-three".