7725499469 has 2 divisors, whose sum is σ = 7725499470. Its totient is φ = 7725499468.

The previous prime is 7725499433. The next prime is 7725499477. The reversal of 7725499469 is 9649945277.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5271486025 + 2454013444 = 72605^2 + 49538^2 .

It is a cyclic number.

It is not a de Polignac number, because 7725499469 - 2³² = 3430532173 is a prime.

It is a super-2 number, since 2×7725499469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7725499409) 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, 3862749734 + 3862749735.

It is an arithmetic number, because the mean of its divisors is an integer number (3862749735).

Almost surely, 2^7725499469 is an apocalyptic number.

It is an amenable number.

7725499469 is a deficient number, since it is larger than the sum of its proper divisors (1).

7725499469 is an equidigital number, since it uses as much as digits as its factorization.

7725499469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 62.

The square root of 7725499469 is about 87894.8204901745. The cubic root of 7725499469 is about 1976.8582174842.

The spelling of 7725499469 in words is "seven billion, seven hundred twenty-five million, four hundred ninety-nine thousand, four hundred sixty-nine".