63121426333 has 16 divisors (see below), whose sum is σ = 74499927040. Its totient is φ = 52334812800.

The previous prime is 63121426267. The next prime is 63121426339. The reversal of 63121426333 is 33362412136.

It is a cyclic number.

It is not a de Polignac number, because 63121426333 - 2⁹ = 63121425821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63121426339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416473 + ... + 547441.

It is an arithmetic number, because the mean of its divisors is an integer number (4656245440).

Almost surely, 2^63121426333 is an apocalyptic number.

It is an amenable number.

63121426333 is a deficient number, since it is larger than the sum of its proper divisors (11378500707).

63121426333 is a wasteful number, since it uses less digits than its factorization.

63121426333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133228.

The product of its digits is 46656, while the sum is 34.

Adding to 63121426333 its reverse (33362412136), we get a palindrome (96483838469).

The spelling of 63121426333 in words is "sixty-three billion, one hundred twenty-one million, four hundred twenty-six thousand, three hundred thirty-three".