63344055261 has 8 divisors (see below), whose sum is σ = 84462230944. Its totient is φ = 42227624880.

The previous prime is 63344055253. The next prime is 63344055289. The reversal of 63344055261 is 16255044336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63344055261 - 2³ = 63344055253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63344055661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349150 + ... + 498591.

It is an arithmetic number, because the mean of its divisors is an integer number (10557778868).

Almost surely, 2^63344055261 is an apocalyptic number.

It is an amenable number.

63344055261 is a deficient number, since it is larger than the sum of its proper divisors (21118175683).

63344055261 is a wasteful number, since it uses less digits than its factorization.

63344055261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872651.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 63344055261 its reverse (16255044336), we get a palindrome (79599099597).

The spelling of 63344055261 in words is "sixty-three billion, three hundred forty-four million, fifty-five thousand, two hundred sixty-one".