5231634312533 has 4 divisors (see below), whose sum is σ = 5259025068288. Its totient is φ = 5204243556780.

The previous prime is 5231634312503. The next prime is 5231634312559. The reversal of 5231634312533 is 3352134361325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5231634312533 - 2¹⁴ = 5231634296149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231634312503) 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, 13695377591 + ... + 13695377972.

It is an arithmetic number, because the mean of its divisors is an integer number (1314756267072).

Almost surely, 2^{5231634312533} is an apocalyptic number.

It is an amenable number.

5231634312533 is a deficient number, since it is larger than the sum of its proper divisors (27390755755).

5231634312533 is a wasteful number, since it uses less digits than its factorization.

5231634312533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27390755754.

The product of its digits is 583200, while the sum is 41.

Adding to 5231634312533 its reverse (3352134361325), we get a palindrome (8583768673858).

The spelling of 5231634312533 in words is "five trillion, two hundred thirty-one billion, six hundred thirty-four million, three hundred twelve thousand, five hundred thirty-three".