63081608033 has 4 divisors (see below), whose sum is σ = 63108148740. Its totient is φ = 63055067328.

The previous prime is 63081608017. The next prime is 63081608039. The reversal of 63081608033 is 33080618036.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20537182864 + 42544425169 = 143308^2 + 206263^2 .

It is a cyclic number.

It is not a de Polignac number, because 63081608033 - 2⁴ = 63081608017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63081608039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13266788 + ... + 13271541.

It is an arithmetic number, because the mean of its divisors is an integer number (15777037185).

Almost surely, 2^63081608033 is an apocalyptic number.

It is an amenable number.

63081608033 is a deficient number, since it is larger than the sum of its proper divisors (26540707).

63081608033 is a wasteful number, since it uses less digits than its factorization.

63081608033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26540706.

The product of its (nonzero) digits is 62208, while the sum is 38.

The spelling of 63081608033 in words is "sixty-three billion, eighty-one million, six hundred eight thousand, thirty-three".