12837442533 has 4 divisors (see below), whose sum is σ = 17116590048. Its totient is φ = 8558295020.

The previous prime is 12837442517. The next prime is 12837442537. The reversal of 12837442533 is 33524473821.

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 12837442533 - 2⁴ = 12837442517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12837442537) 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, 2139573753 + ... + 2139573758.

It is an arithmetic number, because the mean of its divisors is an integer number (4279147512).

Almost surely, 2^12837442533 is an apocalyptic number.

It is an amenable number.

12837442533 is a deficient number, since it is larger than the sum of its proper divisors (4279147515).

12837442533 is an equidigital number, since it uses as much as digits as its factorization.

12837442533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279147514.

The product of its digits is 483840, while the sum is 42.

The spelling of 12837442533 in words is "twelve billion, eight hundred thirty-seven million, four hundred forty-two thousand, five hundred thirty-three".