219423336494 has 8 divisors (see below), whose sum is σ = 332047704240. Its totient is φ = 108740768416.

The previous prime is 219423336491. The next prime is 219423336527. The reversal of 219423336494 is 494633324912.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219423336491) 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, 485449634 + ... + 485450085.

It is an arithmetic number, because the mean of its divisors is an integer number (41505963030).

Almost surely, 2^219423336494 is an apocalyptic number.

219423336494 is a deficient number, since it is larger than the sum of its proper divisors (112624367746).

219423336494 is a wasteful number, since it uses less digits than its factorization.

219423336494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970899834.

The product of its digits is 3359232, while the sum is 50.

The spelling of 219423336494 in words is "two hundred nineteen billion, four hundred twenty-three million, three hundred thirty-six thousand, four hundred ninety-four".