12950891933 has 12 divisors (see below), whose sum is σ = 15432772572. Its totient is φ = 10830012480.

The previous prime is 12950891923. The next prime is 12950892023. The reversal of 12950891933 is 33919805921.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7096040644 + 5854851289 = 84238^2 + 76517^2 .

It is not a de Polignac number, because 12950891933 - 2⁶ = 12950891869 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12950891923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3221210 + ... + 3225227.

It is an arithmetic number, because the mean of its divisors is an integer number (1286064381).

Almost surely, 2^12950891933 is an apocalyptic number.

It is an amenable number.

12950891933 is a deficient number, since it is larger than the sum of its proper divisors (2481880639).

12950891933 is an equidigital number, since it uses as much as digits as its factorization.

12950891933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446492 (or 6446485 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 12950891933 in words is "twelve billion, nine hundred fifty million, eight hundred ninety-one thousand, nine hundred thirty-three".