219970723196 has 48 divisors (see below), whose sum is σ = 463417920000. Its totient is φ = 89249387328.

The previous prime is 219970723187. The next prime is 219970723199. The reversal of 219970723196 is 691327079912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219970723199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 626930 + ... + 912678.

It is an arithmetic number, because the mean of its divisors is an integer number (9654540000).

Almost surely, 2^219970723196 is an apocalyptic number.

It is an amenable number.

219970723196 is an abundant number, since it is smaller than the sum of its proper divisors (243447196804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

219970723196 is a wasteful number, since it uses less digits than its factorization.

219970723196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287226 (or 287224 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 56.

The spelling of 219970723196 in words is "two hundred nineteen billion, nine hundred seventy million, seven hundred twenty-three thousand, one hundred ninety-six".