21630014250453 has 48 divisors (see below), whose sum is σ = 35888564275200. Its totient is φ = 12297060201888.

The previous prime is 21630014250451. The next prime is 21630014250457. The reversal of 21630014250453 is 35405241003612.

21630014250453 is a `hidden beast` number, since 2 + 1 + 6 + 3 + 0 + 0 + 142 + 504 + 5 + 3 = 666.

It is not a de Polignac number, because 21630014250453 - 2¹ = 21630014250451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21630014250451) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 215674026 + ... + 215774292.

It is an arithmetic number, because the mean of its divisors is an integer number (747678422400).

Almost surely, 2^{21630014250453} is an apocalyptic number.

It is an amenable number.

21630014250453 is a deficient number, since it is larger than the sum of its proper divisors (14258550024747).

21630014250453 is a wasteful number, since it uses less digits than its factorization.

21630014250453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117686 (or 117683 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 21630014250453 in words is "twenty-one trillion, six hundred thirty billion, fourteen million, two hundred fifty thousand, four hundred fifty-three".