264995443469 has 2 divisors, whose sum is σ = 264995443470. Its totient is φ = 264995443468.

The previous prime is 264995443451. The next prime is 264995443487. The reversal of 264995443469 is 964344599462.

It is a balanced prime because it is at equal distance from previous prime (264995443451) and next prime (264995443487).

It can be written as a sum of positive squares in only one way, i.e., 234575548900 + 30419894569 = 484330^2 + 174413^2 .

It is a cyclic number.

It is not a de Polignac number, because 264995443469 - 2²⁰ = 264994394893 is a prime.

It is a super-2 number, since 2×264995443469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (264995443429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132497721734 + 132497721735.

It is an arithmetic number, because the mean of its divisors is an integer number (132497721735).

Almost surely, 2^264995443469 is an apocalyptic number.

It is an amenable number.

264995443469 is a deficient number, since it is larger than the sum of its proper divisors (1).

264995443469 is an equidigital number, since it uses as much as digits as its factorization.

264995443469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201553920, while the sum is 65.

The spelling of 264995443469 in words is "two hundred sixty-four billion, nine hundred ninety-five million, four hundred forty-three thousand, four hundred sixty-nine".