264334019 has 2 divisors, whose sum is σ = 264334020. Its totient is φ = 264334018.

The previous prime is 264333991. The next prime is 264334051. The reversal of 264334019 is 910433462.

It is an a-pointer prime, because the next prime (264334051) can be obtained adding 264334019 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 264334019 - 2¹⁶ = 264268483 is a prime.

It is a super-2 number, since 2×264334019² = 139744947201384722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (264337019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132167009 + 132167010.

It is an arithmetic number, because the mean of its divisors is an integer number (132167010).

Almost surely, 2^264334019 is an apocalyptic number.

264334019 is a deficient number, since it is larger than the sum of its proper divisors (1).

264334019 is an equidigital number, since it uses as much as digits as its factorization.

264334019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 264334019 is about 16258.3522842876. The cubic root of 264334019 is about 641.7773018281. Note that the first 3 decimals are identical.

The spelling of 264334019 in words is "two hundred sixty-four million, three hundred thirty-four thousand, nineteen".