264003869 has 2 divisors, whose sum is σ = 264003870. Its totient is φ = 264003868.

The previous prime is 264003853. The next prime is 264003893. The reversal of 264003869 is 968300462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 245298244 + 18705625 = 15662^2 + 4325^2 .

It is a cyclic number.

It is not a de Polignac number, because 264003869 - 2⁴ = 264003853 is a prime.

It is a super-2 number, since 2×264003869² = 139396085693938322, 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 (264003169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132001934 + 132001935.

It is an arithmetic number, because the mean of its divisors is an integer number (132001935).

Almost surely, 2^264003869 is an apocalyptic number.

It is an amenable number.

264003869 is a deficient number, since it is larger than the sum of its proper divisors (1).

264003869 is an equidigital number, since it uses as much as digits as its factorization.

264003869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 264003869 is about 16248.1958690804. The cubic root of 264003869 is about 641.5099998097.

The spelling of 264003869 in words is "two hundred sixty-four million, three thousand, eight hundred sixty-nine".