421514202663 has 12 divisors (see below), whose sum is σ = 610124948160. Its totient is φ = 280422806976.

The previous prime is 421514202661. The next prime is 421514202691. The reversal of 421514202663 is 366202415124.

421514202663 is a `hidden beast` number, since 4 + 2 + 151 + 420 + 26 + 63 = 666.

It is not a de Polignac number, because 421514202663 - 2¹ = 421514202661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421514202661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48883906 + ... + 48892527.

It is an arithmetic number, because the mean of its divisors is an integer number (50843745680).

Almost surely, 2^421514202663 is an apocalyptic number.

421514202663 is a deficient number, since it is larger than the sum of its proper divisors (188610745497).

421514202663 is a wasteful number, since it uses less digits than its factorization.

421514202663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97776918 (or 97776915 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 421514202663 its reverse (366202415124), we get a palindrome (787716617787).

The spelling of 421514202663 in words is "four hundred twenty-one billion, five hundred fourteen million, two hundred two thousand, six hundred sixty-three".