264143069 has 2 divisors, whose sum is σ = 264143070. Its totient is φ = 264143068.

The previous prime is 264143021. The next prime is 264143123. The reversal of 264143069 is 960341462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175218169 + 88924900 = 13237^2 + 9430^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264143069 is a prime.

It is a super-2 number, since 2×264143069² = 139543121801477522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264143669) 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 as a sum of consecutive naturals, namely, 132071534 + 132071535.

It is an arithmetic number, because the mean of its divisors is an integer number (132071535).

Almost surely, 2^264143069 is an apocalyptic number.

It is an amenable number.

264143069 is a deficient number, since it is larger than the sum of its proper divisors (1).

264143069 is an equidigital number, since it uses as much as digits as its factorization.

264143069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 264143069 is about 16252.4788570852. The cubic root of 264143069 is about 641.6227285894.

The spelling of 264143069 in words is "two hundred sixty-four million, one hundred forty-three thousand, sixty-nine".