6551342263791 has 72 divisors (see below), whose sum is σ = 10357352343936. Its totient is φ = 3988249237440.

The previous prime is 6551342263787. The next prime is 6551342263841. The reversal of 6551342263791 is 1973622431556.

6551342263791 is a `hidden beast` number, since 6 + 5 + 513 + 4 + 2 + 2 + 6 + 37 + 91 = 666.

It is not a de Polignac number, because 6551342263791 - 2² = 6551342263787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6551342263721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 152098240 + ... + 152141306.

It is an arithmetic number, because the mean of its divisors is an integer number (143852115888).

Almost surely, 2^{6551342263791} is an apocalyptic number.

6551342263791 is a deficient number, since it is larger than the sum of its proper divisors (3806010080145).

6551342263791 is a wasteful number, since it uses less digits than its factorization.

6551342263791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44173 (or 44157 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 6551342263791 in words is "six trillion, five hundred fifty-one billion, three hundred forty-two million, two hundred sixty-three thousand, seven hundred ninety-one".