39695938229 has 2 divisors, whose sum is σ = 39695938230. Its totient is φ = 39695938228.

The previous prime is 39695938193. The next prime is 39695938231. The reversal of 39695938229 is 92283959693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34160280625 + 5535657604 = 184825^2 + 74402^2 .

It is an emirp because it is prime and its reverse (92283959693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39695938229 - 2¹⁶ = 39695872693 is a prime.

Together with 39695938231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39695988229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19847969114 + 19847969115.

It is an arithmetic number, because the mean of its divisors is an integer number (19847969115).

Almost surely, 2^39695938229 is an apocalyptic number.

It is an amenable number.

39695938229 is a deficient number, since it is larger than the sum of its proper divisors (1).

39695938229 is an equidigital number, since it uses as much as digits as its factorization.

39695938229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56687040, while the sum is 65.

The spelling of 39695938229 in words is "thirty-nine billion, six hundred ninety-five million, nine hundred thirty-eight thousand, two hundred twenty-nine".