219493101 has 8 divisors (see below), whose sum is σ = 292765984. Its totient is φ = 146274480.

The previous prime is 219493097. The next prime is 219493123. The reversal of 219493101 is 101394912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 219493101 - 2² = 219493097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219493181) 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, 2935 + ... + 21156.

It is an arithmetic number, because the mean of its divisors is an integer number (36595748).

Almost surely, 2^219493101 is an apocalyptic number.

It is an amenable number.

219493101 is a deficient number, since it is larger than the sum of its proper divisors (73272883).

219493101 is a wasteful number, since it uses less digits than its factorization.

219493101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27131.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 219493101 is about 14815.2995582270. The cubic root of 219493101 is about 603.2170726877.

The spelling of 219493101 in words is "two hundred nineteen million, four hundred ninety-three thousand, one hundred one".