39695505345 has 24 divisors (see below), whose sum is σ = 68820449256. Its totient is φ = 21166349568.

The previous prime is 39695505331. The next prime is 39695505349. The reversal of 39695505345 is 54350559693.

39695505345 is a `hidden beast` number, since 3 + 9 + 6 + 95 + 505 + 3 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3377818161 + 36317687184 = 58119^2 + 190572^2 .

It is not a de Polignac number, because 39695505345 - 2¹¹ = 39695503297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39695505291 and 39695505300.

It is not an unprimeable number, because it can be changed into a prime (39695505349) 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 23 ways as a sum of consecutive naturals, for example, 119797 + ... + 306173.

It is an arithmetic number, because the mean of its divisors is an integer number (2867518719).

Almost surely, 2^39695505345 is an apocalyptic number.

It is an amenable number.

39695505345 is a deficient number, since it is larger than the sum of its proper divisors (29124943911).

39695505345 is a wasteful number, since it uses less digits than its factorization.

39695505345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191121 (or 191118 counting only the distinct ones).

The product of its (nonzero) digits is 10935000, while the sum is 54.

The spelling of 39695505345 in words is "thirty-nine billion, six hundred ninety-five million, five hundred five thousand, three hundred forty-five".