6979645400000 has 672 divisors, whose sum is σ = 21523312669824. Its totient is φ = 2186496000000.

The previous prime is 6979645399949. The next prime is 6979645400009. The reversal of 6979645400000 is 45469796.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6979645400009) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1838198102 + ... + 1838201898.

It is an arithmetic number, because the mean of its divisors is an integer number (32028739092).

Almost surely, 2^{6979645400000} 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 6979645400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10761656334912).

6979645400000 is an abundant number, since it is smaller than the sum of its proper divisors (14543667269824).

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

6979645400000 is a wasteful number, since it uses less digits than its factorization.

6979645400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3955 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 6979645400000 in words is "six trillion, nine hundred seventy-nine billion, six hundred forty-five million, four hundred thousand".