264412219 has 2 divisors, whose sum is σ = 264412220. Its totient is φ = 264412218.

The previous prime is 264412207. The next prime is 264412223. The reversal of 264412219 is 912214462.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 264412219 - 2¹¹ = 264410171 is a prime.

It is a super-2 number, since 2×264412219² = 139827643113007922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (264412229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132206109 + 132206110.

It is an arithmetic number, because the mean of its divisors is an integer number (132206110).

Almost surely, 2^264412219 is an apocalyptic number.

264412219 is a deficient number, since it is larger than the sum of its proper divisors (1).

264412219 is an equidigital number, since it uses as much as digits as its factorization.

264412219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 31.

The square root of 264412219 is about 16260.7570241979. The cubic root of 264412219 is about 641.8405829209.

The spelling of 264412219 in words is "two hundred sixty-four million, four hundred twelve thousand, two hundred nineteen".