6542232636 has 12 divisors (see below), whose sum is σ = 15265209512. Its totient is φ = 2180744208.

The previous prime is 6542232623. The next prime is 6542232637. The reversal of 6542232636 is 6362322456.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 6542232594 and 6542232603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542232637) 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, 272593015 + ... + 272593038.

Almost surely, 2^6542232636 is an apocalyptic number.

It is an amenable number.

6542232636 is an abundant number, since it is smaller than the sum of its proper divisors (8722976876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6542232636 is a wasteful number, since it uses less digits than its factorization.

6542232636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545186060 (or 545186058 counting only the distinct ones).

The product of its digits is 311040, while the sum is 39.

The square root of 6542232636 is about 80884.0691112904. The cubic root of 6542232636 is about 1870.2887479615.

The spelling of 6542232636 in words is "six billion, five hundred forty-two million, two hundred thirty-two thousand, six hundred thirty-six".