216033919 has 2 divisors, whose sum is σ = 216033920. Its totient is φ = 216033918.

The previous prime is 216033913. The next prime is 216033941. The reversal of 216033919 is 919330612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 216033919 - 2³ = 216033911 is a prime.

It is a super-2 number, since 2×216033919² = 93341308316997122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (216033911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108016959 + 108016960.

It is an arithmetic number, because the mean of its divisors is an integer number (108016960).

Almost surely, 2^216033919 is an apocalyptic number.

216033919 is a deficient number, since it is larger than the sum of its proper divisors (1).

216033919 is an equidigital number, since it uses as much as digits as its factorization.

216033919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 216033919 is about 14698.0923592145. The cubic root of 216033919 is about 600.0314048377.

The spelling of 216033919 in words is "two hundred sixteen million, thirty-three thousand, nine hundred nineteen".