219481114952 has 24 divisors (see below), whose sum is σ = 452339696550. Its totient is φ = 99764142720.

The previous prime is 219481114901. The next prime is 219481114981. The reversal of 219481114952 is 259411184912.

It can be written as a sum of positive squares in only one way, i.e., 183908891716 + 35572223236 = 428846^2 + 188606^2 .

It is a junction number, because it is equal to n+sod(n) for n = 219481114897 and 219481114906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113367377 + ... + 113369312.

Almost surely, 2^219481114952 is an apocalyptic number.

219481114952 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

219481114952 is an abundant number, since it is smaller than the sum of its proper divisors (232858581598).

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

219481114952 is a wasteful number, since it uses less digits than its factorization.

219481114952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226736717 (or 226736702 counting only the distinct ones).

The product of its digits is 207360, while the sum is 47.

It can be divided in two parts, 219481 and 114952, that added together give a palindrome (334433).

The spelling of 219481114952 in words is "two hundred nineteen billion, four hundred eighty-one million, one hundred fourteen thousand, nine hundred fifty-two".