6849631406 has 8 divisors (see below), whose sum is σ = 10274819544. Its totient is φ = 3424691560.

The previous prime is 6849631367. The next prime is 6849631409. The reversal of 6849631406 is 6041369486.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6849631409) 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, 41381 + ... + 124143.

It is an arithmetic number, because the mean of its divisors is an integer number (1284352443).

Almost surely, 2^6849631406 is an apocalyptic number.

It is a pronic number, being equal to 82762×82763.

6849631406 is a deficient number, since it is larger than the sum of its proper divisors (3425188138).

6849631406 is a wasteful number, since it uses less digits than its factorization.

6849631406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124146.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 6849631406 is about 82762.4999984897. The cubic root of 6849631406 is about 1899.1345463796.

The spelling of 6849631406 in words is "six billion, eight hundred forty-nine million, six hundred thirty-one thousand, four hundred six".