7655559349 has 2 divisors, whose sum is σ = 7655559350. Its totient is φ = 7655559348.

The previous prime is 7655559343. The next prime is 7655559367. The reversal of 7655559349 is 9439555567.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3860136900 + 3795422449 = 62130^2 + 61607^2 .

It is a cyclic number.

It is not a de Polignac number, because 7655559349 - 2²¹ = 7653462197 is a prime.

It is a super-2 number, since 2×7655559349² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7655559293 and 7655559302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7655559343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3827779674 + 3827779675.

It is an arithmetic number, because the mean of its divisors is an integer number (3827779675).

Almost surely, 2^7655559349 is an apocalyptic number.

It is an amenable number.

7655559349 is a deficient number, since it is larger than the sum of its proper divisors (1).

7655559349 is an equidigital number, since it uses as much as digits as its factorization.

7655559349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25515000, while the sum is 58.

The square root of 7655559349 is about 87496.0533338504. The cubic root of 7655559349 is about 1970.8745246723.

The spelling of 7655559349 in words is "seven billion, six hundred fifty-five million, five hundred fifty-nine thousand, three hundred forty-nine".