7548716689 has 2 divisors, whose sum is σ = 7548716690. Its totient is φ = 7548716688.

The previous prime is 7548716627. The next prime is 7548716699. The reversal of 7548716689 is 9866178457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7206651664 + 342065025 = 84892^2 + 18495^2 .

It is a cyclic number.

It is not a de Polignac number, because 7548716689 - 2¹⁵ = 7548683921 is a prime.

It is not a weakly prime, because it can be changed into another prime (7548716699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3774358344 + 3774358345.

It is an arithmetic number, because the mean of its divisors is an integer number (3774358345).

Almost surely, 2^7548716689 is an apocalyptic number.

It is an amenable number.

7548716689 is a deficient number, since it is larger than the sum of its proper divisors (1).

7548716689 is an equidigital number, since it uses as much as digits as its factorization.

7548716689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 61.

The square root of 7548716689 is about 86883.3510461009. The cubic root of 7548716689 is about 1961.6628856979.

The spelling of 7548716689 in words is "seven billion, five hundred forty-eight million, seven hundred sixteen thousand, six hundred eighty-nine".