219042673641 has 12 divisors (see below), whose sum is σ = 345158152560. Its totient is φ = 132753135480.

The previous prime is 219042673639. The next prime is 219042673699. The reversal of 219042673641 is 146376240912.

219042673641 is a `hidden beast` number, since 2 + 190 + 42 + 67 + 364 + 1 = 666.

It is not a de Polignac number, because 219042673641 - 2¹ = 219042673639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (219042678641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1106276031 + ... + 1106276228.

It is an arithmetic number, because the mean of its divisors is an integer number (28763179380).

Almost surely, 2^219042673641 is an apocalyptic number.

It is an amenable number.

219042673641 is a deficient number, since it is larger than the sum of its proper divisors (126115478919).

219042673641 is a wasteful number, since it uses less digits than its factorization.

219042673641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212552276 (or 2212552273 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 219042673641 in words is "two hundred nineteen billion, forty-two million, six hundred seventy-three thousand, six hundred forty-one".