6655749423 has 8 divisors (see below), whose sum is σ = 8918928000. Its totient is φ = 4414868568.

The previous prime is 6655749413. The next prime is 6655749433. The reversal of 6655749423 is 3249475566.

It is an interprime number because it is at equal distance from previous prime (6655749413) and next prime (6655749433).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-6655749423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655749413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5573733 + ... + 5574926.

It is an arithmetic number, because the mean of its divisors is an integer number (1114866000).

Almost surely, 2^6655749423 is an apocalyptic number.

6655749423 is a deficient number, since it is larger than the sum of its proper divisors (2263178577).

6655749423 is a wasteful number, since it uses less digits than its factorization.

6655749423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11148861.

The product of its digits is 5443200, while the sum is 51.

The square root of 6655749423 is about 81582.7765095060. The cubic root of 6655749423 is about 1881.0441444961.

The spelling of 6655749423 in words is "six billion, six hundred fifty-five million, seven hundred forty-nine thousand, four hundred twenty-three".