223865219949 has 8 divisors (see below), whose sum is σ = 341127954240. Its totient is φ = 127922982816.

The previous prime is 223865219881. The next prime is 223865219951. The reversal of 223865219949 is 949912568322.

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

It is not a de Polignac number, because 223865219949 - 2⁹ = 223865219437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223865219892 and 223865219901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223865219549) 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, 5330124264 + ... + 5330124305.

It is an arithmetic number, because the mean of its divisors is an integer number (42640994280).

Almost surely, 2^223865219949 is an apocalyptic number.

It is an amenable number.

223865219949 is a deficient number, since it is larger than the sum of its proper divisors (117262734291).

223865219949 is a wasteful number, since it uses less digits than its factorization.

223865219949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10660248579.

The product of its digits is 16796160, while the sum is 60.

The spelling of 223865219949 in words is "two hundred twenty-three billion, eight hundred sixty-five million, two hundred nineteen thousand, nine hundred forty-nine".