6543233634 has 32 divisors (see below), whose sum is σ = 15471688320. Its totient is φ = 1805029632.

The previous prime is 6543233633. The next prime is 6543233647. The reversal of 6543233634 is 4363323456.

It is a junction number, because it is equal to n+sod(n) for n = 6543233592 and 6543233601.

It is not an unprimeable number, because it can be changed into a prime (6543233633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2684839 + ... + 2687274.

It is an arithmetic number, because the mean of its divisors is an integer number (483490260).

Almost surely, 2^6543233634 is an apocalyptic number.

6543233634 is an abundant number, since it is smaller than the sum of its proper divisors (8928454686).

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

6543233634 is a wasteful number, since it uses less digits than its factorization.

6543233634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5372154.

The product of its digits is 466560, while the sum is 39.

The square root of 6543233634 is about 80890.2567309562. The cubic root of 6543233634 is about 1870.3841312924.

The spelling of 6543233634 in words is "six billion, five hundred forty-three million, two hundred thirty-three thousand, six hundred thirty-four".