5234633721 has 8 divisors (see below), whose sum is σ = 7755012960. Its totient is φ = 3489755796.

The previous prime is 5234633653. The next prime is 5234633759. The reversal of 5234633721 is 1273364325.

5234633721 is a `hidden beast` number, since 523 + 4 + 63 + 3 + 72 + 1 = 666.

It is not a de Polignac number, because 5234633721 - 2¹¹ = 5234631673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5234633771) 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, 96937635 + ... + 96937688.

It is an arithmetic number, because the mean of its divisors is an integer number (969376620).

Almost surely, 2^5234633721 is an apocalyptic number.

It is an amenable number.

5234633721 is a deficient number, since it is larger than the sum of its proper divisors (2520379239).

5234633721 is a wasteful number, since it uses less digits than its factorization.

5234633721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193875332 (or 193875326 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 5234633721 is about 72350.7686275688. The cubic root of 5234633721 is about 1736.3159957001.

The spelling of 5234633721 in words is "five billion, two hundred thirty-four million, six hundred thirty-three thousand, seven hundred twenty-one".