6539361565390 has 16 divisors (see below), whose sum is σ = 11773158467040. Its totient is φ = 2615231815200.

The previous prime is 6539361565369. The next prime is 6539361565391. The reversal of 6539361565390 is 935651639356.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6539361565391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64047810 + ... + 64149829.

It is an arithmetic number, because the mean of its divisors is an integer number (735822404190).

Almost surely, 2^{6539361565390} is an apocalyptic number.

6539361565390 is a deficient number, since it is larger than the sum of its proper divisors (5233796901650).

6539361565390 is a wasteful number, since it uses less digits than its factorization.

6539361565390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128202747.

The product of its (nonzero) digits is 59049000, while the sum is 61.

The spelling of 6539361565390 in words is "six trillion, five hundred thirty-nine billion, three hundred sixty-one million, five hundred sixty-five thousand, three hundred ninety".