219023377197 has 4 divisors (see below), whose sum is σ = 292031169600. Its totient is φ = 146015584796.

The previous prime is 219023377151. The next prime is 219023377219. The reversal of 219023377197 is 791773320912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 219023377197 - 2¹¹ = 219023375149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219023377117) 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 3 ways as a sum of consecutive naturals, for example, 36503896197 + ... + 36503896202.

It is an arithmetic number, because the mean of its divisors is an integer number (73007792400).

Almost surely, 2^219023377197 is an apocalyptic number.

It is an amenable number.

219023377197 is a deficient number, since it is larger than the sum of its proper divisors (73007792403).

219023377197 is an equidigital number, since it uses as much as digits as its factorization.

219023377197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73007792402.

The product of its (nonzero) digits is 1000188, while the sum is 51.

The spelling of 219023377197 in words is "two hundred nineteen billion, twenty-three million, three hundred seventy-seven thousand, one hundred ninety-seven".