219952149 has 8 divisors (see below), whose sum is σ = 294141120. Its totient is φ = 146198976.

The previous prime is 219952141. The next prime is 219952199. The reversal of 219952149 is 941259912.

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

It is not a de Polignac number, because 219952149 - 2³ = 219952141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 219952149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219952141) 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, 107769 + ... + 109790.

It is an arithmetic number, because the mean of its divisors is an integer number (36767640).

Almost surely, 2^219952149 is an apocalyptic number.

It is an amenable number.

219952149 is a deficient number, since it is larger than the sum of its proper divisors (74188971).

219952149 is a wasteful number, since it uses less digits than its factorization.

219952149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217899.

The product of its digits is 58320, while the sum is 42.

The square root of 219952149 is about 14830.7838295890. The cubic root of 219952149 is about 603.6373027136.

The spelling of 219952149 in words is "two hundred nineteen million, nine hundred fifty-two thousand, one hundred forty-nine".