7145488513 has 2 divisors, whose sum is σ = 7145488514. Its totient is φ = 7145488512.

The previous prime is 7145488463. The next prime is 7145488529. The reversal of 7145488513 is 3158845417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6070435569 + 1075052944 = 77913^2 + 32788^2 .

It is a cyclic number.

It is not a de Polignac number, because 7145488513 - 2¹⁷ = 7145357441 is a prime.

It is not a weakly prime, because it can be changed into another prime (7145488573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3572744256 + 3572744257.

It is an arithmetic number, because the mean of its divisors is an integer number (3572744257).

Almost surely, 2^7145488513 is an apocalyptic number.

It is an amenable number.

7145488513 is a deficient number, since it is larger than the sum of its proper divisors (1).

7145488513 is an equidigital number, since it uses as much as digits as its factorization.

7145488513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 46.

The square root of 7145488513 is about 84530.9914350944. The cubic root of 7145488513 is about 1926.0932464819.

The spelling of 7145488513 in words is "seven billion, one hundred forty-five million, four hundred eighty-eight thousand, five hundred thirteen".