219314022050 has 54 divisors (see below), whose sum is σ = 412564582737. Its totient is φ = 86738796720.

The previous prime is 219314021951. The next prime is 219314022079. The reversal of 219314022050 is 50220413912.

It can be written as a sum of positive squares in 2 ways, for example, as 214927741609 + 4386280441 = 463603^2 + 66229^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=331145.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 341079029 + ... + 341079671.

Almost surely, 2^219314022050 is an apocalyptic number.

219314022050 is a deficient number, since it is larger than the sum of its proper divisors (193250560687).

219314022050 is an frugal number, since it uses more digits than its factorization.

219314022050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 219314022050 its reverse (50220413912), we get a palindrome (269534435962).

The spelling of 219314022050 in words is "two hundred nineteen billion, three hundred fourteen million, twenty-two thousand, fifty".