6895054949 has 4 divisors (see below), whose sum is σ = 6896233260. Its totient is φ = 6893876640.

The previous prime is 6895054847. The next prime is 6895054961. The reversal of 6895054949 is 9494505986.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3325828900 + 3569226049 = 57670^2 + 59743^2 .

It is a cyclic number.

It is not a de Polignac number, because 6895054949 - 2⁸ = 6895054693 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 (6895054979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580334 + ... + 592095.

It is an arithmetic number, because the mean of its divisors is an integer number (1724058315).

Almost surely, 2^6895054949 is an apocalyptic number.

It is an amenable number.

6895054949 is a deficient number, since it is larger than the sum of its proper divisors (1178311).

6895054949 is a wasteful number, since it uses less digits than its factorization.

6895054949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178310.

The product of its (nonzero) digits is 13996800, while the sum is 59.

The square root of 6895054949 is about 83036.4675850316. The cubic root of 6895054949 is about 1903.3233571090.

The spelling of 6895054949 in words is "six billion, eight hundred ninety-five million, fifty-four thousand, nine hundred forty-nine".