63591823241 has 4 divisors (see below), whose sum is σ = 63592328772. Its totient is φ = 63591317712.

The previous prime is 63591823237. The next prime is 63591823259. The reversal of 63591823241 is 14232819536.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 36492078841 + 27099744400 = 191029^2 + 164620^2 .

It is a cyclic number.

It is not a de Polignac number, because 63591823241 - 2² = 63591823237 is a prime.

It is a super-2 number, since 2×63591823241² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63591823192 and 63591823201.

It is not an unprimeable number, because it can be changed into a prime (63591823231) 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, 100475 + ... + 370511.

It is an arithmetic number, because the mean of its divisors is an integer number (15898082193).

Almost surely, 2^63591823241 is an apocalyptic number.

It is an amenable number.

63591823241 is a deficient number, since it is larger than the sum of its proper divisors (505531).

63591823241 is a wasteful number, since it uses less digits than its factorization.

63591823241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505530.

The product of its digits is 311040, while the sum is 44.

The spelling of 63591823241 in words is "sixty-three billion, five hundred ninety-one million, eight hundred twenty-three thousand, two hundred forty-one".