6851238574 has 32 divisors (see below), whose sum is σ = 11119680000. Its totient is φ = 3156213984.

The previous prime is 6851238553. The next prime is 6851238577. The reversal of 6851238574 is 4758321586.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6851238577) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579777 + ... + 591475.

It is an arithmetic number, because the mean of its divisors is an integer number (347490000).

Almost surely, 2^6851238574 is an apocalyptic number.

6851238574 is a deficient number, since it is larger than the sum of its proper divisors (4268441426).

6851238574 is a wasteful number, since it uses less digits than its factorization.

6851238574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12192.

The product of its digits is 1612800, while the sum is 49.

The square root of 6851238574 is about 82772.2089472064. The cubic root of 6851238574 is about 1899.2830696797.

The spelling of 6851238574 in words is "six billion, eight hundred fifty-one million, two hundred thirty-eight thousand, five hundred seventy-four".