6140679831 has 48 divisors (see below), whose sum is σ = 10466951040. Its totient is φ = 3420048960.

The previous prime is 6140679751. The next prime is 6140679899. The reversal of 6140679831 is 1389760416.

It is a happy number.

It is not a de Polignac number, because 6140679831 - 2⁹ = 6140679319 is a prime.

It is a super-2 number, since 2×6140679831² = 75415897573700377122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6140679031) 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 47 ways as a sum of consecutive naturals, for example, 281640 + ... + 302658.

It is an arithmetic number, because the mean of its divisors is an integer number (218061480).

Almost surely, 2^6140679831 is an apocalyptic number.

6140679831 is a deficient number, since it is larger than the sum of its proper divisors (4326271209).

6140679831 is a wasteful number, since it uses less digits than its factorization.

6140679831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21276 (or 21273 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 6140679831 is about 78362.4899489545. The cubic root of 6140679831 is about 1831.2128115610.

The spelling of 6140679831 in words is "six billion, one hundred forty million, six hundred seventy-nine thousand, eight hundred thirty-one".