51041321433 has 12 divisors (see below), whose sum is σ = 73894300480. Its totient is φ = 33950033496.

The previous prime is 51041321417. The next prime is 51041321449. The reversal of 51041321433 is 33412314015.

It is a happy number.

51041321433 is a `hidden beast` number, since 5 + 1 + 0 + 413 + 214 + 33 = 666.

51041321433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51041321417) and next prime (51041321449).

It is not a de Polignac number, because 51041321433 - 2⁴ = 51041321417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 51041321397 and 51041321406.

It is not an unprimeable number, because it can be changed into a prime (51041321473) 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, 6455341 + ... + 6463242.

Almost surely, 2^51041321433 is an apocalyptic number.

It is an amenable number.

51041321433 is a deficient number, since it is larger than the sum of its proper divisors (22852979047).

51041321433 is a wasteful number, since it uses less digits than its factorization.

51041321433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12919028 (or 12919025 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 51041321433 its reverse (33412314015), we get a palindrome (84453635448).

The spelling of 51041321433 in words is "fifty-one billion, forty-one million, three hundred twenty-one thousand, four hundred thirty-three".