219439489122 has 64 divisors (see below), whose sum is σ = 557642557440. Its totient is φ = 62659206288.

The previous prime is 219439489099. The next prime is 219439489141. The reversal of 219439489122 is 221984934912.

It is a happy number.

219439489122 is a `hidden beast` number, since 2 + 1 + 9 + 4 + 39 + 489 + 122 = 666.

It is a super-2 number, since 2×219439489122² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 456003 + ... + 804249.

It is an arithmetic number, because the mean of its divisors is an integer number (8713164960).

Almost surely, 2^219439489122 is an apocalyptic number.

219439489122 is an abundant number, since it is smaller than the sum of its proper divisors (338203068318).

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

219439489122 is a wasteful number, since it uses less digits than its factorization.

219439489122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349932 (or 349926 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 219439489122 in words is "two hundred nineteen billion, four hundred thirty-nine million, four hundred eighty-nine thousand, one hundred twenty-two".