32618749249 has 4 divisors (see below), whose sum is σ = 32620282564. Its totient is φ = 32617215936.

The previous prime is 32618749231. The next prime is 32618749271. The reversal of 32618749249 is 94294781623.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30952068624 + 1666680625 = 175932^2 + 40825^2 .

It is a cyclic number.

It is not a de Polignac number, because 32618749249 - 2¹¹ = 32618747201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32618749249.

It is not an unprimeable number, because it can be changed into a prime (32618749049) 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, 734292 + ... + 777445.

It is an arithmetic number, because the mean of its divisors is an integer number (8155070641).

Almost surely, 2^32618749249 is an apocalyptic number.

It is an amenable number.

32618749249 is a deficient number, since it is larger than the sum of its proper divisors (1533315).

32618749249 is a wasteful number, since it uses less digits than its factorization.

32618749249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533314.

The product of its digits is 5225472, while the sum is 55.

The spelling of 32618749249 in words is "thirty-two billion, six hundred eighteen million, seven hundred forty-nine thousand, two hundred forty-nine".