39252318345 has 12 divisors (see below), whose sum is σ = 68037351876. Its totient is φ = 20934569760.

The previous prime is 39252318269. The next prime is 39252318361. The reversal of 39252318345 is 54381325293.

39252318345 is a `hidden beast` number, since 3 + 9 + 2 + 523 + 1 + 83 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18655189056 + 20597129289 = 136584^2 + 143517^2 .

It is not a de Polignac number, because 39252318345 - 2¹¹ = 39252316297 is a prime.

It is a super-3 number, since 3×39252318345³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 872273741 = 39252318345 / (3 + 9 + 2 + 5 + 2 + 3 + 1 + 8 + 3 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 39252318345.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 436136826 + ... + 436136915.

It is an arithmetic number, because the mean of its divisors is an integer number (5669779323).

Almost surely, 2^39252318345 is an apocalyptic number.

It is an amenable number.

39252318345 is a deficient number, since it is larger than the sum of its proper divisors (28785033531).

39252318345 is a wasteful number, since it uses less digits than its factorization.

39252318345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872273752 (or 872273749 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 39252318345 in words is "thirty-nine billion, two hundred fifty-two million, three hundred eighteen thousand, three hundred forty-five".