6534213642525 has 48 divisors (see below), whose sum is σ = 10986213531776. Its totient is φ = 3426193105920.

The previous prime is 6534213642487. The next prime is 6534213642581. The reversal of 6534213642525 is 5252463124356.

It is not a de Polignac number, because 6534213642525 - 2²⁹ = 6533676771613 is a prime.

It is a super-3 number, since 3×6534213642525³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 192817 + ... + 3620166.

Almost surely, 2^{6534213642525} is an apocalyptic number.

It is an amenable number.

6534213642525 is a deficient number, since it is larger than the sum of its proper divisors (4451999889251).

6534213642525 is a wasteful number, since it uses less digits than its factorization.

6534213642525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813382 (or 3813377 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 48.

The spelling of 6534213642525 in words is "six trillion, five hundred thirty-four billion, two hundred thirteen million, six hundred forty-two thousand, five hundred twenty-five".