7529766649 has 2 divisors, whose sum is σ = 7529766650. Its totient is φ = 7529766648.

The previous prime is 7529766631. The next prime is 7529766653. The reversal of 7529766649 is 9466679257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7255632400 + 274134249 = 85180^2 + 16557^2 .

It is a cyclic number.

It is not a de Polignac number, because 7529766649 - 2⁹ = 7529766137 is a prime.

It is a super-3 number, since 3×7529766649³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7529766149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764883324 + 3764883325.

It is an arithmetic number, because the mean of its divisors is an integer number (3764883325).

Almost surely, 2^7529766649 is an apocalyptic number.

It is an amenable number.

7529766649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7529766649 is an equidigital number, since it uses as much as digits as its factorization.

7529766649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34292160, while the sum is 61.

The square root of 7529766649 is about 86774.2280230715. The cubic root of 7529766649 is about 1960.0200130714.

The spelling of 7529766649 in words is "seven billion, five hundred twenty-nine million, seven hundred sixty-six thousand, six hundred forty-nine".