39520536245 has 8 divisors (see below), whose sum is σ = 47487296184. Its totient is φ = 31574660544.

The previous prime is 39520536229. The next prime is 39520536283. The reversal of 39520536245 is 54263502593.

It can be written as a sum of positive squares in 4 ways, for example, as 187333969 + 39333202276 = 13687^2 + 198326^2 .

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 39520536245 - 2⁴ = 39520536229 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 39520536196 and 39520536205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5216894 + ... + 5224463.

It is an arithmetic number, because the mean of its divisors is an integer number (5935912023).

Almost surely, 2^39520536245 is an apocalyptic number.

It is an amenable number.

39520536245 is a deficient number, since it is larger than the sum of its proper divisors (7966759939).

39520536245 is a wasteful number, since it uses less digits than its factorization.

39520536245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10442119.

The product of its (nonzero) digits is 972000, while the sum is 44.

The spelling of 39520536245 in words is "thirty-nine billion, five hundred twenty million, five hundred thirty-six thousand, two hundred forty-five".