63313127641 has 3 divisors (see below), whose sum is σ = 63313379263. Its totient is φ = 63312876020.

The previous prime is 63313127629. The next prime is 63313127651. The reversal of 63313127641 is 14672131336.

The square root of 63313127641 is 251621.

It is a perfect power (a square), and thus also a powerful number.

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 only one way, i.e., 7153607241 + 56159520400 = 84579^2 + 236980^2 .

It is not a de Polignac number, because 63313127641 - 2⁵ = 63313127609 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 63313127641.

It is not an unprimeable number, because it can be changed into a prime (63313127651) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 125811 + ... + 377431.

Almost surely, 2^63313127641 is an apocalyptic number.

63313127641 is the 251621-st square number.

63313127641 is the 125811-st centered octagonal number.

It is an amenable number.

63313127641 is a deficient number, since it is larger than the sum of its proper divisors (251622).

63313127641 is an frugal number, since it uses more digits than its factorization.

63313127641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503242 (or 251621 counting only the distinct ones).

The product of its digits is 54432, while the sum is 37.

Adding to 63313127641 its reverse (14672131336), we get a palindrome (77985258977).

The spelling of 63313127641 in words is "sixty-three billion, three hundred thirteen million, one hundred twenty-seven thousand, six hundred forty-one".