6534902063309 has 4 divisors (see below), whose sum is σ = 6571006494780. Its totient is φ = 6498797631840.

The previous prime is 6534902063293. The next prime is 6534902063353. The reversal of 6534902063309 is 9033602094356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 514013000809 + 6020889062500 = 716947^2 + 2453750^2 .

It is a cyclic number.

It is not a de Polignac number, because 6534902063309 - 2⁴ = 6534902063293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6534902063399) 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, 18052215464 + ... + 18052215825.

It is an arithmetic number, because the mean of its divisors is an integer number (1642751623695).

Almost surely, 2^{6534902063309} is an apocalyptic number.

It is an amenable number.

6534902063309 is a deficient number, since it is larger than the sum of its proper divisors (36104431471).

6534902063309 is a wasteful number, since it uses less digits than its factorization.

6534902063309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36104431470.

The product of its (nonzero) digits is 3149280, while the sum is 50.

The spelling of 6534902063309 in words is "six trillion, five hundred thirty-four billion, nine hundred two million, sixty-three thousand, three hundred nine".