6775431543376 has 10 divisors (see below), whose sum is σ = 13127398615322. Its totient is φ = 3387715771680.

The previous prime is 6775431543347. The next prime is 6775431543379. The reversal of 6775431543376 is 6733451345776.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4938528398400 + 1836903144976 = 2222280^2 + 1355324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6775431543379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211732235715 + ... + 211732235746.

Almost surely, 2^{6775431543376} is an apocalyptic number.

It is an amenable number.

6775431543376 is a deficient number, since it is larger than the sum of its proper divisors (6351967071946).

6775431543376 is a wasteful number, since it uses less digits than its factorization.

6775431543376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423464471469 (or 423464471463 counting only the distinct ones).

The product of its digits is 133358400, while the sum is 61.

The spelling of 6775431543376 in words is "six trillion, seven hundred seventy-five billion, four hundred thirty-one million, five hundred forty-three thousand, three hundred seventy-six".