7666283489 has 4 divisors (see below), whose sum is σ = 7668306324. Its totient is φ = 7664260656.

The previous prime is 7666283461. The next prime is 7666283491. The reversal of 7666283489 is 9843826667.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9843826667 = 1229 ⋅8009623.

It can be written as a sum of positive squares in 2 ways, for example, as 3873817600 + 3792465889 = 62240^2 + 61583^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7666283489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7666283459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005722 + ... + 1013315.

It is an arithmetic number, because the mean of its divisors is an integer number (1917076581).

Almost surely, 2^7666283489 is an apocalyptic number.

It is an amenable number.

7666283489 is a deficient number, since it is larger than the sum of its proper divisors (2022835).

7666283489 is a wasteful number, since it uses less digits than its factorization.

7666283489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022834.

The product of its digits is 20901888, while the sum is 59.

The square root of 7666283489 is about 87557.3154510804. The cubic root of 7666283489 is about 1971.7943822446.

The spelling of 7666283489 in words is "seven billion, six hundred sixty-six million, two hundred eighty-three thousand, four hundred eighty-nine".