982653109 has 8 divisors (see below), whose sum is σ = 1013038488. Its totient is φ = 952573440.

The previous prime is 982653107. The next prime is 982653149. The reversal of 982653109 is 901356289.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 770884 + 981882225 = 878^2 + 31335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 982653109 - 2¹ = 982653107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (982653101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69892 + ... + 82765.

It is an arithmetic number, because the mean of its divisors is an integer number (126629811).

Almost surely, 2^982653109 is an apocalyptic number.

It is an amenable number.

982653109 is a deficient number, since it is larger than the sum of its proper divisors (30385379).

982653109 is a wasteful number, since it uses less digits than its factorization.

982653109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152855.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 982653109 is about 31347.2982727380. The cubic root of 982653109 is about 994.1839420489.

The spelling of 982653109 in words is "nine hundred eighty-two million, six hundred fifty-three thousand, one hundred nine".