63365242051 has 4 divisors (see below), whose sum is σ = 63366089400. Its totient is φ = 63364394704.

The previous prime is 63365242037. The next prime is 63365242081. The reversal of 63365242051 is 15024256336.

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

It is a cyclic number.

It is not a de Polignac number, because 63365242051 - 2⁷ = 63365241923 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 63365242051.

It is not an unprimeable number, because it can be changed into a prime (63365242021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299341 + ... + 465118.

It is an arithmetic number, because the mean of its divisors is an integer number (15841522350).

Almost surely, 2^63365242051 is an apocalyptic number.

63365242051 is a deficient number, since it is larger than the sum of its proper divisors (847349).

63365242051 is an equidigital number, since it uses as much as digits as its factorization.

63365242051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847348.

The product of its (nonzero) digits is 129600, while the sum is 37.

Adding to 63365242051 its reverse (15024256336), we get a palindrome (78389498387).

It can be divided in two parts, 633652 and 42051, that added together give a triangular number (675703 = T₁₁₆₂).

The spelling of 63365242051 in words is "sixty-three billion, three hundred sixty-five million, two hundred forty-two thousand, fifty-one".