7655543449 has 2 divisors, whose sum is σ = 7655543450. Its totient is φ = 7655543448.

The previous prime is 7655543437. The next prime is 7655543459. The reversal of 7655543449 is 9443455567.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7655025049 + 518400 = 87493^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 7655543449 - 2⁷ = 7655543321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7655543396 and 7655543405.

It is not a weakly prime, because it can be changed into another prime (7655543419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3827771724 + 3827771725.

It is an arithmetic number, because the mean of its divisors is an integer number (3827771725).

Almost surely, 2^7655543449 is an apocalyptic number.

It is an amenable number.

7655543449 is a deficient number, since it is larger than the sum of its proper divisors (1).

7655543449 is an equidigital number, since it uses as much as digits as its factorization.

7655543449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 52.

The square root of 7655543449 is about 87495.9624725621. The cubic root of 7655543449 is about 1970.8731602204.

The spelling of 7655543449 in words is "seven billion, six hundred fifty-five million, five hundred forty-three thousand, four hundred forty-nine".