469918219 has 2 divisors, whose sum is σ = 469918220. Its totient is φ = 469918218.

The previous prime is 469918187. The next prime is 469918249. The reversal of 469918219 is 912819964.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 469918219 - 2⁵ = 469918187 is a prime.

It is a super-2 number, since 2×469918219² = 441646265096263922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (469918249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234959109 + 234959110.

It is an arithmetic number, because the mean of its divisors is an integer number (234959110).

Almost surely, 2^469918219 is an apocalyptic number.

469918219 is a deficient number, since it is larger than the sum of its proper divisors (1).

469918219 is an equidigital number, since it uses as much as digits as its factorization.

469918219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 49.

The square root of 469918219 is about 21677.5971685056. The cubic root of 469918219 is about 777.4529116825.

The spelling of 469918219 in words is "four hundred sixty-nine million, nine hundred eighteen thousand, two hundred nineteen".