264976469 has 2 divisors, whose sum is σ = 264976470. Its totient is φ = 264976468.

The previous prime is 264976457. The next prime is 264976471. The reversal of 264976469 is 964679462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242175844 + 22800625 = 15562^2 + 4775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264976469 is a prime.

It is a super-2 number, since 2×264976469² = 140425058247415922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 264976471, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 264976469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264976409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132488234 + 132488235.

It is an arithmetic number, because the mean of its divisors is an integer number (132488235).

Almost surely, 2^264976469 is an apocalyptic number.

It is an amenable number.

264976469 is a deficient number, since it is larger than the sum of its proper divisors (1).

264976469 is an equidigital number, since it uses as much as digits as its factorization.

264976469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3919104, while the sum is 53.

The square root of 264976469 is about 16278.0978311349. The cubic root of 264976469 is about 642.2968165529.

The spelling of 264976469 in words is "two hundred sixty-four million, nine hundred seventy-six thousand, four hundred sixty-nine".