12452533783 has 4 divisors (see below), whose sum is σ = 12505978368. Its totient is φ = 12399089200.

The previous prime is 12452533777. The next prime is 12452533811. The reversal of 12452533783 is 38733525421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12452533783 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 (12452533703) 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, 26721943 + ... + 26722408.

It is an arithmetic number, because the mean of its divisors is an integer number (3126494592).

Almost surely, 2^12452533783 is an apocalyptic number.

12452533783 is a deficient number, since it is larger than the sum of its proper divisors (53444585).

12452533783 is an equidigital number, since it uses as much as digits as its factorization.

12452533783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53444584.

The product of its digits is 604800, while the sum is 43.

The spelling of 12452533783 in words is "twelve billion, four hundred fifty-two million, five hundred thirty-three thousand, seven hundred eighty-three".