2660943923 has 8 divisors (see below), whose sum is σ = 3002946480. Its totient is φ = 2335624480.

The previous prime is 2660943907. The next prime is 2660943949. The reversal of 2660943923 is 3293490662.

2660943923 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2660943923 - 2⁴ = 2660943907 is a prime.

It is a super-2 number, since 2×2660943923² = 14161245122701259858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660943973) 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, 4170440 + ... + 4171077.

It is an arithmetic number, because the mean of its divisors is an integer number (375368310).

Almost surely, 2^2660943923 is an apocalyptic number.

2660943923 is a deficient number, since it is larger than the sum of its proper divisors (342002557).

2660943923 is a wasteful number, since it uses less digits than its factorization.

2660943923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341557.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 2660943923 is about 51584.3379622148. The cubic root of 2660943923 is about 1385.7298560362.

The spelling of 2660943923 in words is "two billion, six hundred sixty million, nine hundred forty-three thousand, nine hundred twenty-three".