63145422500 has 30 divisors (see below), whose sum is σ = 138086415390. Its totient is φ = 25258168000.

The previous prime is 63145422499. The next prime is 63145422511. The reversal of 63145422500 is 522454136.

It can be written as a sum of positive squares in 5 ways, for example, as 47919836836 + 15225585664 = 218906^2 + 123392^2 .

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 12626585 + ... + 12631584.

It is an arithmetic number, because the mean of its divisors is an integer number (4602880513).

Almost surely, 2^63145422500 is an apocalyptic number.

It is an amenable number.

63145422500 is an abundant number, since it is smaller than the sum of its proper divisors (74940992890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63145422500 is a wasteful number, since it uses less digits than its factorization.

63145422500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25258193 (or 25258176 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 63145422500 its reverse (522454136), we get a palindrome (63667876636).

The spelling of 63145422500 in words is "sixty-three billion, one hundred forty-five million, four hundred twenty-two thousand, five hundred".