8483666989 has 60 divisors (see below), whose sum is σ = 10640718900. Its totient is φ = 6754454784.

The previous prime is 8483666977. The next prime is 8483666999. The reversal of 8483666989 is 9896663848.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 747584964 + 7736082025 = 27342^2 + 87955^2 .

It is not a de Polignac number, because 8483666989 - 2¹⁷ = 8483535917 is a prime.

It is a super-2 number, since 2×8483666989² (a number of 21 digits) contains 22 as substring.

Its product of digits (107495424) is a multiple of the sum of its prime divisors (162).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8483666959) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 95322057 + ... + 95322145.

It is an arithmetic number, because the mean of its divisors is an integer number (177345315).

Almost surely, 2^8483666989 is an apocalyptic number.

8483666989 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

It is an amenable number.

8483666989 is a deficient number, since it is larger than the sum of its proper divisors (2157051911).

8483666989 is an frugal number, since it uses more digits than its factorization.

8483666989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 162 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 67.

The square root of 8483666989 is about 92106.8237917257. The cubic root of 8483666989 is about 2039.5195418725.

The spelling of 8483666989 in words is "eight billion, four hundred eighty-three million, six hundred sixty-six thousand, nine hundred eighty-nine".