63187804133 has 2 divisors, whose sum is σ = 63187804134. Its totient is φ = 63187804132.

The previous prime is 63187804087. The next prime is 63187804187. The reversal of 63187804133 is 33140878136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 61683683044 + 1504121089 = 248362^2 + 38783^2 .

It is a cyclic number.

It is not a de Polignac number, because 63187804133 - 2¹⁰ = 63187803109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63183804133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31593902066 + 31593902067.

It is an arithmetic number, because the mean of its divisors is an integer number (31593902067).

Almost surely, 2^63187804133 is an apocalyptic number.

It is an amenable number.

63187804133 is a deficient number, since it is larger than the sum of its proper divisors (1).

63187804133 is an equidigital number, since it uses as much as digits as its factorization.

63187804133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 63187804133 in words is "sixty-three billion, one hundred eighty-seven million, eight hundred four thousand, one hundred thirty-three".