7507717489 has 2 divisors, whose sum is σ = 7507717490. Its totient is φ = 7507717488.

The previous prime is 7507717487. The next prime is 7507717493. The reversal of 7507717489 is 9847177057.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4281477489 + 3226240000 = 65433^2 + 56800^2 .

It is a cyclic number.

It is not a de Polignac number, because 7507717489 - 2¹ = 7507717487 is a prime.

Together with 7507717487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7507717487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753858744 + 3753858745.

It is an arithmetic number, because the mean of its divisors is an integer number (3753858745).

Almost surely, 2^7507717489 is an apocalyptic number.

It is an amenable number.

7507717489 is a deficient number, since it is larger than the sum of its proper divisors (1).

7507717489 is an equidigital number, since it uses as much as digits as its factorization.

7507717489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3457440, while the sum is 55.

The square root of 7507717489 is about 86647.0858655962. The cubic root of 7507717489 is about 1958.1049892700.

The spelling of 7507717489 in words is "seven billion, five hundred seven million, seven hundred seventeen thousand, four hundred eighty-nine".