63368233109 has 4 divisors (see below), whose sum is σ = 63370211340. Its totient is φ = 63366254880.

The previous prime is 63368233099. The next prime is 63368233111. The reversal of 63368233109 is 90133286336.

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 47068604209 + 16299628900 = 216953^2 + 127670^2 .

It is a cyclic number.

It is not a de Polignac number, because 63368233109 - 2¹² = 63368229013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63368233109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63368233169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940262 + ... + 1005399.

It is an arithmetic number, because the mean of its divisors is an integer number (15842552835).

Almost surely, 2^63368233109 is an apocalyptic number.

It is an amenable number.

63368233109 is a deficient number, since it is larger than the sum of its proper divisors (1978231).

63368233109 is a wasteful number, since it uses less digits than its factorization.

63368233109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978230.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 63368233109 in words is "sixty-three billion, three hundred sixty-eight million, two hundred thirty-three thousand, one hundred nine".