219942285667 has 24 divisors (see below), whose sum is σ = 240372496896. Its totient is φ = 201144093696.

The previous prime is 219942285617. The next prime is 219942285697. The reversal of 219942285667 is 766582249912.

It is not a de Polignac number, because 219942285667 - 2¹⁵ = 219942252899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219942285617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16240723 + ... + 16254259.

It is an arithmetic number, because the mean of its divisors is an integer number (10015520704).

Almost surely, 2^219942285667 is an apocalyptic number.

219942285667 is a deficient number, since it is larger than the sum of its proper divisors (20430211229).

219942285667 is a wasteful number, since it uses less digits than its factorization.

219942285667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14447 (or 14434 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 61.

The spelling of 219942285667 in words is "two hundred nineteen billion, nine hundred forty-two million, two hundred eighty-five thousand, six hundred sixty-seven".