6689054237 has 8 divisors (see below), whose sum is σ = 6740490456. Its totient is φ = 6637730112.

The previous prime is 6689054231. The next prime is 6689054249. The reversal of 6689054237 is 7324509866.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 712836601 + 5976217636 = 26699^2 + 77306^2 .

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 6689054237 - 2⁴ = 6689054221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6689054231) 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, 93803 + ... + 148919.

It is an arithmetic number, because the mean of its divisors is an integer number (842561307).

Almost surely, 2^6689054237 is an apocalyptic number.

It is an amenable number.

6689054237 is a deficient number, since it is larger than the sum of its proper divisors (51436219).

6689054237 is a wasteful number, since it uses less digits than its factorization.

6689054237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56047.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 6689054237 is about 81786.6384992072. The cubic root of 6689054237 is about 1884.1764549283.

The spelling of 6689054237 in words is "six billion, six hundred eighty-nine million, fifty-four thousand, two hundred thirty-seven".