6871640399298 has 80 divisors (see below), whose sum is σ = 15435939895200. Its totient is φ = 2284840825344.

The previous prime is 6871640399279. The next prime is 6871640399311. The reversal of 6871640399298 is 8929930461786.

6871640399298 is a `hidden beast` number, since 68 + 71 + 6 + 403 + 9 + 9 + 2 + 98 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 337712361 + ... + 337732707.

It is an arithmetic number, because the mean of its divisors is an integer number (192949248690).

Almost surely, 2^{6871640399298} is an apocalyptic number.

6871640399298 is an abundant number, since it is smaller than the sum of its proper divisors (8564299495902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6871640399298 is a wasteful number, since it uses less digits than its factorization.

6871640399298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25453 (or 25444 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 6871640399298 in words is "six trillion, eight hundred seventy-one billion, six hundred forty million, three hundred ninety-nine thousand, two hundred ninety-eight".