6800149 has 4 divisors (see below), whose sum is σ = 6958336. Its totient is φ = 6641964.

The previous prime is 6800147. The next prime is 6800161. The reversal of 6800149 is 9410086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6800149 - 2¹ = 6800147 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 (6800147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79029 + ... + 79114.

It is an arithmetic number, because the mean of its divisors is an integer number (1739584).

Almost surely, 2^6800149 is an apocalyptic number.

It is an amenable number.

6800149 is a deficient number, since it is larger than the sum of its proper divisors (158187).

6800149 is a wasteful number, since it uses less digits than its factorization.

6800149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158186.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 6800149 is about 2607.7095313704. The cubic root of 6800149 is about 189.4550311817.

The spelling of 6800149 in words is "six million, eight hundred thousand, one hundred forty-nine".