63444011933 has 2 divisors, whose sum is σ = 63444011934. Its totient is φ = 63444011932.

The previous prime is 63444011893. The next prime is 63444011971. The reversal of 63444011933 is 33911044436.

It is an a-pointer prime, because the next prime (63444011971) can be obtained adding 63444011933 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42063138649 + 21380873284 = 205093^2 + 146222^2 .

It is a cyclic number.

It is not a de Polignac number, because 63444011933 - 2¹⁰ = 63444010909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63444011993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31722005966 + 31722005967.

It is an arithmetic number, because the mean of its divisors is an integer number (31722005967).

Almost surely, 2^63444011933 is an apocalyptic number.

It is an amenable number.

63444011933 is a deficient number, since it is larger than the sum of its proper divisors (1).

63444011933 is an equidigital number, since it uses as much as digits as its factorization.

63444011933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 63444011933 in words is "sixty-three billion, four hundred forty-four million, eleven thousand, nine hundred thirty-three".