6256631878149 has 32 divisors (see below), whose sum is σ = 8992592437248. Its totient is φ = 3858065640000.

The previous prime is 6256631878139. The next prime is 6256631878163. The reversal of 6256631878149 is 9418781366526.

It is not a de Polignac number, because 6256631878149 - 2⁸ = 6256631877893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6256631878149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6256631878109) 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 31 ways as a sum of consecutive naturals, for example, 1658694 + ... + 3906984.

It is an arithmetic number, because the mean of its divisors is an integer number (281018513664).

Almost surely, 2^{6256631878149} is an apocalyptic number.

6256631878149 is a gapful number since it is divisible by the number (69) formed by its first and last digit.

It is an amenable number.

6256631878149 is a deficient number, since it is larger than the sum of its proper divisors (2735960559099).

6256631878149 is a wasteful number, since it uses less digits than its factorization.

6256631878149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2249649.

The product of its digits is 104509440, while the sum is 66.

The spelling of 6256631878149 in words is "six trillion, two hundred fifty-six billion, six hundred thirty-one million, eight hundred seventy-eight thousand, one hundred forty-nine".