6340550544533 has 2 divisors, whose sum is σ = 6340550544534. Its totient is φ = 6340550544532.

The previous prime is 6340550544487. The next prime is 6340550544539. The reversal of 6340550544533 is 3354450550436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4916960326084 + 1423590218449 = 2217422^2 + 1193143^2 .

It is a cyclic number.

It is not a de Polignac number, because 6340550544533 - 2²⁰ = 6340549495957 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6340550544539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3170275272266 + 3170275272267.

It is an arithmetic number, because the mean of its divisors is an integer number (3170275272267).

Almost surely, 2^{6340550544533} is an apocalyptic number.

It is an amenable number.

6340550544533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6340550544533 is an equidigital number, since it uses as much as digits as its factorization.

6340550544533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 47.

The spelling of 6340550544533 in words is "six trillion, three hundred forty billion, five hundred fifty million, five hundred forty-four thousand, five hundred thirty-three".