6975343938640 has 160 divisors (see below), whose sum is σ = 20223525611520. Its totient is φ = 2173693708800.

The previous prime is 6975343938601. The next prime is 6975343938649. The reversal of 6975343938640 is 468393435796.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6975343938649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31051525 + ... + 31275355.

It is an arithmetic number, because the mean of its divisors is an integer number (126397035072).

Almost surely, 2^{6975343938640} 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 6975343938640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10111762805760).

6975343938640 is an abundant number, since it is smaller than the sum of its proper divisors (13248181672880).

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

6975343938640 is a wasteful number, since it uses less digits than its factorization.

6975343938640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228921 (or 228915 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 67.

The spelling of 6975343938640 in words is "six trillion, nine hundred seventy-five billion, three hundred forty-three million, nine hundred thirty-eight thousand, six hundred forty".