6939286474752 has 468 divisors, whose sum is σ = 20966044823100. Its totient is φ = 2296245583872.

The previous prime is 6939286474739. The next prime is 6939286474753. The reversal of 6939286474752 is 2574746829396.

6939286474752 is a `hidden beast` number, since 6 + 9 + 3 + 9 + 2 + 86 + 474 + 75 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1830673944576 + 5108612530176 = 1353024^2 + 2260224^2 .

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (6939286474753) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4004203678 + ... + 4004205410.

It is an arithmetic number, because the mean of its divisors is an integer number (44799241075).

Almost surely, 2^{6939286474752} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6939286474752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10483022411550).

6939286474752 is an abundant number, since it is smaller than the sum of its proper divisors (14026758348348).

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

6939286474752 is an frugal number, since it uses more digits than its factorization.

6939286474752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930 (or 1887 counting only the distinct ones).

The product of its digits is 1097349120, while the sum is 72.

The spelling of 6939286474752 in words is "six trillion, nine hundred thirty-nine billion, two hundred eighty-six million, four hundred seventy-four thousand, seven hundred fifty-two".