63634542233 has 2 divisors, whose sum is σ = 63634542234. Its totient is φ = 63634542232.

The previous prime is 63634542203. The next prime is 63634542263. The reversal of 63634542233 is 33224543636.

63634542233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (63634542203) and next prime (63634542263).

It can be written as a sum of positive squares in only one way, i.e., 42021720064 + 21612822169 = 204992^2 + 147013^2 .

It is a cyclic number.

It is not a de Polignac number, because 63634542233 - 2¹² = 63634538137 is a prime.

It is not a weakly prime, because it can be changed into another prime (63634542203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31817271116 + 31817271117.

It is an arithmetic number, because the mean of its divisors is an integer number (31817271117).

Almost surely, 2^63634542233 is an apocalyptic number.

It is an amenable number.

63634542233 is a deficient number, since it is larger than the sum of its proper divisors (1).

63634542233 is an equidigital number, since it uses as much as digits as its factorization.

63634542233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 41.

The spelling of 63634542233 in words is "sixty-three billion, six hundred thirty-four million, five hundred forty-two thousand, two hundred thirty-three".