219928469794 has 8 divisors (see below), whose sum is σ = 359882950608. Its totient is φ = 99967486260.

The previous prime is 219928469791. The next prime is 219928469819. The reversal of 219928469794 is 497964829912.

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

It is not an unprimeable number, because it can be changed into a prime (219928469791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4998374292 + ... + 4998374335.

It is an arithmetic number, because the mean of its divisors is an integer number (44985368826).

Almost surely, 2^219928469794 is an apocalyptic number.

219928469794 is a deficient number, since it is larger than the sum of its proper divisors (139954480814).

219928469794 is a wasteful number, since it uses less digits than its factorization.

219928469794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9996748640.

The product of its digits is 141087744, while the sum is 70.

The spelling of 219928469794 in words is "two hundred nineteen billion, nine hundred twenty-eight million, four hundred sixty-nine thousand, seven hundred ninety-four".