6800149544 has 16 divisors (see below), whose sum is σ = 12752262420. Its totient is φ = 3399546240.

The previous prime is 6800149501. The next prime is 6800149561. The reversal of 6800149544 is 4459410086.

It can be written as a sum of positive squares in 2 ways, for example, as 6799981444 + 168100 = 82462^2 + 410^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8429 + ... + 116924.

Almost surely, 2^6800149544 is an apocalyptic number.

It is an amenable number.

6800149544 is a deficient number, since it is larger than the sum of its proper divisors (5952112876).

6800149544 is a wasteful number, since it uses less digits than its factorization.

6800149544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132140 (or 132136 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 6800149544 is about 82463.0192510558. The cubic root of 6800149544 is about 1894.5503623368.

The spelling of 6800149544 in words is "six billion, eight hundred million, one hundred forty-nine thousand, five hundred forty-four".