264869069 has 2 divisors, whose sum is σ = 264869070. Its totient is φ = 264869068.

The previous prime is 264869057. The next prime is 264869107. The reversal of 264869069 is 960968462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164608900 + 100260169 = 12830^2 + 10013^2 .

It is a cyclic number.

It is not a de Polignac number, because 264869069 - 2¹⁶ = 264803533 is a prime.

It is a super-2 number, since 2×264869069² = 140311247425853522, 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 (264869669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132434534 + 132434535.

It is an arithmetic number, because the mean of its divisors is an integer number (132434535).

Almost surely, 2^264869069 is an apocalyptic number.

It is an amenable number.

264869069 is a deficient number, since it is larger than the sum of its proper divisors (1).

264869069 is an equidigital number, since it uses as much as digits as its factorization.

264869069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 264869069 is about 16274.7985855432. The cubic root of 264869069 is about 642.2100264561.

It can be divided in two parts, 2648 and 69069, that added together give a palindrome (71717).

The spelling of 264869069 in words is "two hundred sixty-four million, eight hundred sixty-nine thousand, sixty-nine".