6746477643140 has 12 divisors (see below), whose sum is σ = 14167603050636. Its totient is φ = 2698591057248.

The previous prime is 6746477643133. The next prime is 6746477643149. The reversal of 6746477643140 is 413467746476.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4389092040256 + 2357385602884 = 2095016^2 + 1535378^2 .

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6746477643140.

It is not an unprimeable number, because it can be changed into a prime (6746477643149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168661941059 + ... + 168661941098.

It is an arithmetic number, because the mean of its divisors is an integer number (1180633587553).

Almost surely, 2^{6746477643140} is an apocalyptic number.

It is an amenable number.

6746477643140 is an abundant number, since it is smaller than the sum of its proper divisors (7421125407496).

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

6746477643140 is a wasteful number, since it uses less digits than its factorization.

6746477643140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337323882166 (or 337323882164 counting only the distinct ones).

The product of its (nonzero) digits is 56899584, while the sum is 59.

The spelling of 6746477643140 in words is "six trillion, seven hundred forty-six billion, four hundred seventy-seven million, six hundred forty-three thousand, one hundred forty".