219208963093 has 4 divisors (see below), whose sum is σ = 230746276960. Its totient is φ = 207671649228.

The previous prime is 219208963081. The next prime is 219208963097. The reversal of 219208963093 is 390369802912.

219208963093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-219208963093 is a prime.

It is a super-2 number, since 2×219208963093² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 219208963093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219208963097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5768656905 + ... + 5768656942.

It is an arithmetic number, because the mean of its divisors is an integer number (57686569240).

Almost surely, 2^219208963093 is an apocalyptic number.

It is an amenable number.

219208963093 is a deficient number, since it is larger than the sum of its proper divisors (11537313867).

219208963093 is a wasteful number, since it uses less digits than its factorization.

219208963093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11537313866.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 219208963093 in words is "two hundred nineteen billion, two hundred eight million, nine hundred sixty-three thousand, ninety-three".