6849578338254 has 288 divisors, whose sum is σ = 16560533808000. Its totient is φ = 2120942242368.

The previous prime is 6849578338247. The next prime is 6849578338271. The reversal of 6849578338254 is 4528338759486.

6849578338254 is a `hidden beast` number, since 6 + 8 + 49 + 578 + 3 + 3 + 8 + 2 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 6407462832 + ... + 6407463900.

It is an arithmetic number, because the mean of its divisors is an integer number (57501853500).

Almost surely, 2^{6849578338254} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6849578338254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8280266904000).

6849578338254 is an abundant number, since it is smaller than the sum of its proper divisors (9710955469746).

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

6849578338254 is a wasteful number, since it uses less digits than its factorization.

6849578338254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1771 counting only the distinct ones).

The product of its digits is 1393459200, while the sum is 72.

The spelling of 6849578338254 in words is "six trillion, eight hundred forty-nine billion, five hundred seventy-eight million, three hundred thirty-eight thousand, two hundred fifty-four".