219270211808 has 24 divisors (see below), whose sum is σ = 434547101520. Its totient is φ = 108909043200.

The previous prime is 219270211807. The next prime is 219270211813. The reversal of 219270211808 is 808112072912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219270211807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22684553 + ... + 22694216.

It is an arithmetic number, because the mean of its divisors is an integer number (18106129230).

Almost surely, 2^219270211808 is an apocalyptic number.

It is an amenable number.

219270211808 is a deficient number, since it is larger than the sum of its proper divisors (215276889712).

219270211808 is a wasteful number, since it uses less digits than its factorization.

219270211808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45378930 (or 45378922 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 41.

The spelling of 219270211808 in words is "two hundred nineteen billion, two hundred seventy million, two hundred eleven thousand, eight hundred eight".