12233041649 has 4 divisors (see below), whose sum is σ = 12400617636. Its totient is φ = 12065465664.

The previous prime is 12233041633. The next prime is 12233041661. The reversal of 12233041649 is 94614033221.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5703270400 + 6529771249 = 75520^2 + 80807^2 .

It is a cyclic number.

It is not a de Polignac number, because 12233041649 - 2⁴ = 12233041633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12233041619) 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, 83787884 + ... + 83788029.

It is an arithmetic number, because the mean of its divisors is an integer number (3100154409).

Almost surely, 2^12233041649 is an apocalyptic number.

It is an amenable number.

12233041649 is a deficient number, since it is larger than the sum of its proper divisors (167575987).

12233041649 is an equidigital number, since it uses as much as digits as its factorization.

12233041649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167575986.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 12233041649 in words is "twelve billion, two hundred thirty-three million, forty-one thousand, six hundred forty-nine".