633252126213 has 12 divisors (see below), whose sum is σ = 1045368589408. Its totient is φ = 361858357800.

The previous prime is 633252126211. The next prime is 633252126239. The reversal of 633252126213 is 312621252336.

633252126213 is a `hidden beast` number, since 6 + 3 + 3 + 2 + 5 + 21 + 2 + 621 + 3 = 666.

It is not a de Polignac number, because 633252126213 - 2¹ = 633252126211 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633252126211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5025810463 + ... + 5025810588.

Almost surely, 2^633252126213 is an apocalyptic number.

633252126213 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

633252126213 is a deficient number, since it is larger than the sum of its proper divisors (412116463195).

633252126213 is a wasteful number, since it uses less digits than its factorization.

633252126213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10051621064 (or 10051621061 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

Adding to 633252126213 its reverse (312621252336), we get a palindrome (945873378549).

The spelling of 633252126213 in words is "six hundred thirty-three billion, two hundred fifty-two million, one hundred twenty-six thousand, two hundred thirteen".