219663874054 has 8 divisors (see below), whose sum is σ = 331900890408. Its totient is φ = 109030243920.

The previous prime is 219663874043. The next prime is 219663874097. The reversal of 219663874054 is 450478366912.

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

It is a junction number, because it is equal to n+sod(n) for n = 219663873986 and 219663874004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400846212 + ... + 400846759.

It is an arithmetic number, because the mean of its divisors is an integer number (41487611301).

It is a 1-persistent number, because it is pandigital, but 2⋅219663874054 = 439327748108 is not.

Almost surely, 2^219663874054 is an apocalyptic number.

219663874054 is a deficient number, since it is larger than the sum of its proper divisors (112237016354).

219663874054 is a wasteful number, since it uses less digits than its factorization.

219663874054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801693110.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 219663874054 in words is "two hundred nineteen billion, six hundred sixty-three million, eight hundred seventy-four thousand, fifty-four".