21463011750050 has 192 divisors, whose sum is σ = 46538465410080. Its totient is φ = 7304257658880.

The previous prime is 21463011750023. The next prime is 21463011750053. The reversal of 21463011750050 is 5005711036412.

It is a happy number.

It can be written as a sum of positive squares in 48 ways, for example, as 449249808121 + 21013761941929 = 670261^2 + 4584077^2 .

It is not an unprimeable number, because it can be changed into a prime (21463011750053) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36674534 + ... + 37255166.

Almost surely, 2^{21463011750050} is an apocalyptic number.

21463011750050 is an abundant number, since it is smaller than the sum of its proper divisors (25075453660030).

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

21463011750050 is a wasteful number, since it uses less digits than its factorization.

21463011750050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580777 (or 580772 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

Adding to 21463011750050 its reverse (5005711036412), we get a palindrome (26468722786462).

The spelling of 21463011750050 in words is "twenty-one trillion, four hundred sixty-three billion, eleven million, seven hundred fifty thousand, fifty".