12650626033 has 4 divisors (see below), whose sum is σ = 12650906608. Its totient is φ = 12650345460.

The previous prime is 12650626019. The next prime is 12650626039. The reversal of 12650626033 is 33062605621.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33062605621 = 29 ⋅1140089849.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12650626033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12650626033.

It is not an unprimeable number, because it can be changed into a prime (12650626039) 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, 55623 + ... + 168508.

It is an arithmetic number, because the mean of its divisors is an integer number (3162726652).

Almost surely, 2^12650626033 is an apocalyptic number.

It is an amenable number.

12650626033 is a deficient number, since it is larger than the sum of its proper divisors (280575).

12650626033 is an equidigital number, since it uses as much as digits as its factorization.

12650626033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280574.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 12650626033 in words is "twelve billion, six hundred fifty million, six hundred twenty-six thousand, thirty-three".