7529960989 has 2 divisors, whose sum is σ = 7529960990. Its totient is φ = 7529960988.

The previous prime is 7529960897. The next prime is 7529961071. The reversal of 7529960989 is 9890699257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7043405625 + 486555364 = 83925^2 + 22058^2 .

It is an emirp because it is prime and its reverse (9890699257) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7529960989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7529960989.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7529960189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3764980494 + 3764980495.

It is an arithmetic number, because the mean of its divisors is an integer number (3764980495).

Almost surely, 2^7529960989 is an apocalyptic number.

It is an amenable number.

7529960989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7529960989 is an equidigital number, since it uses as much as digits as its factorization.

7529960989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22044960, while the sum is 64.

The square root of 7529960989 is about 86775.3478183752. The cubic root of 7529960989 is about 1960.0368753475.

The spelling of 7529960989 in words is "seven billion, five hundred twenty-nine million, nine hundred sixty thousand, nine hundred eighty-nine".