648284200199 has 4 divisors (see below), whose sum is σ = 652577473200. Its totient is φ = 643990927200.

The previous prime is 648284200181. The next prime is 648284200217. The reversal of 648284200199 is 991002482846.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (648284200181) and next prime (648284200217).

It is a cyclic number.

It is not a de Polignac number, because 648284200199 - 2⁸ = 648284199943 is a prime.

It is a super-2 number, since 2×648284200199² (a number of 24 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 648284200199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648284200099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146636274 + ... + 2146636575.

It is an arithmetic number, because the mean of its divisors is an integer number (163144368300).

Almost surely, 2^648284200199 is an apocalyptic number.

648284200199 is a deficient number, since it is larger than the sum of its proper divisors (4293273001).

648284200199 is a wasteful number, since it uses less digits than its factorization.

648284200199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293273000.

The product of its (nonzero) digits is 1990656, while the sum is 53.

The spelling of 648284200199 in words is "six hundred forty-eight billion, two hundred eighty-four million, two hundred thousand, one hundred ninety-nine".