6363021385009 has 3 divisors (see below), whose sum is σ = 6363023907513. Its totient is φ = 6363018862506.

The previous prime is 6363021385003. The next prime is 6363021385027. The reversal of 6363021385009 is 9005831203636.

The square root of 6363021385009 is 2522503.

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 is not a de Polignac number, because 6363021385009 - 2²⁹ = 6362484514097 is a prime.

It is a super-2 number, since 2×6363021385009² (a number of 26 digits) contains 22 as substring.

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 6363021385009.

It is not an unprimeable number, because it can be changed into a prime (6363021385003) 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, 1261252 + ... + 3783754.

It is an arithmetic number, because the mean of its divisors is an integer number (2121007969171).

Almost surely, 2^{6363021385009} is an apocalyptic number.

6363021385009 is the 2522503-rd square number.

6363021385009 is the 1261252-nd centered octagonal number.

It is an amenable number.

6363021385009 is a deficient number, since it is larger than the sum of its proper divisors (2522504).

6363021385009 is an frugal number, since it uses more digits than its factorization.

6363021385009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045006 (or 2522503 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 6363021385009 in words is "six trillion, three hundred sixty-three billion, twenty-one million, three hundred eighty-five thousand, nine".