6849387451 has 8 divisors (see below), whose sum is σ = 6901611984. Its totient is φ = 6797356800.

The previous prime is 6849387439. The next prime is 6849387487. The reversal of 6849387451 is 1547839486.

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 6849387451 - 2⁷ = 6849387323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6849387392 and 6849387401.

It is not an unprimeable number, because it can be changed into a prime (6849387151) 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 7 ways as a sum of consecutive naturals, for example, 22851 + ... + 119251.

It is an arithmetic number, because the mean of its divisors is an integer number (862701498).

Almost surely, 2^6849387451 is an apocalyptic number.

6849387451 is a deficient number, since it is larger than the sum of its proper divisors (52224533).

6849387451 is a wasteful number, since it uses less digits than its factorization.

6849387451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96941.

The product of its digits is 5806080, while the sum is 55.

The square root of 6849387451 is about 82761.0261596604. The cubic root of 6849387451 is about 1899.1119997227. Note that the first 3 decimals are identical.

The spelling of 6849387451 in words is "six billion, eight hundred forty-nine million, three hundred eighty-seven thousand, four hundred fifty-one".