6918267149 has 8 divisors (see below), whose sum is σ = 6930524640. Its totient is φ = 6906022416.

The previous prime is 6918267133. The next prime is 6918267151. The reversal of 6918267149 is 9417628196.

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 6918267149 - 2⁴ = 6918267133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6918267149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6918267199) 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, 2090354 + ... + 2093660.

It is an arithmetic number, because the mean of its divisors is an integer number (866315580).

Almost surely, 2^6918267149 is an apocalyptic number.

It is an amenable number.

6918267149 is a deficient number, since it is larger than the sum of its proper divisors (12257491).

6918267149 is a wasteful number, since it uses less digits than its factorization.

6918267149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6379.

The product of its digits is 1306368, while the sum is 53.

The square root of 6918267149 is about 83176.1212668636. The cubic root of 6918267149 is about 1905.4568106054.

The spelling of 6918267149 in words is "six billion, nine hundred eighteen million, two hundred sixty-seven thousand, one hundred forty-nine".