219932493852 has 24 divisors (see below), whose sum is σ = 514794679056. Its totient is φ = 73079565568.

The previous prime is 219932493811. The next prime is 219932493853. The reversal of 219932493852 is 258394239912.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 219932493792 and 219932493801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219932493853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28904253 + ... + 28911860.

It is an arithmetic number, because the mean of its divisors is an integer number (21449778294).

Almost surely, 2^219932493852 is an apocalyptic number.

It is an amenable number.

219932493852 is an abundant number, since it is smaller than the sum of its proper divisors (294862185204).

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

219932493852 is a wasteful number, since it uses less digits than its factorization.

219932493852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57816437 (or 57816435 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 57.

The spelling of 219932493852 in words is "two hundred nineteen billion, nine hundred thirty-two million, four hundred ninety-three thousand, eight hundred fifty-two".