63346333889 has 4 divisors (see below), whose sum is σ = 65530690260. Its totient is φ = 61161977520.

The previous prime is 63346333879. The next prime is 63346333903. The reversal of 63346333889 is 98833364336.

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 53779929025 + 9566404864 = 231905^2 + 97808^2 .

It is a cyclic number.

It is not a de Polignac number, because 63346333889 - 2⁴ = 63346333873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63346333819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1092178142 + ... + 1092178199.

It is an arithmetic number, because the mean of its divisors is an integer number (16382672565).

Almost surely, 2^63346333889 is an apocalyptic number.

It is an amenable number.

63346333889 is a deficient number, since it is larger than the sum of its proper divisors (2184356371).

63346333889 is a wasteful number, since it uses less digits than its factorization.

63346333889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184356370.

The product of its digits is 20155392, while the sum is 56.

The spelling of 63346333889 in words is "sixty-three billion, three hundred forty-six million, three hundred thirty-three thousand, eight hundred eighty-nine".