39661059353 has 2 divisors, whose sum is σ = 39661059354. Its totient is φ = 39661059352.

The previous prime is 39661059349. The next prime is 39661059391. The reversal of 39661059353 is 35395016693.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30977056009 + 8684003344 = 176003^2 + 93188^2 .

It is a cyclic number.

It is not a de Polignac number, because 39661059353 - 2² = 39661059349 is a prime.

It is not a weakly prime, because it can be changed into another prime (39661049353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19830529676 + 19830529677.

It is an arithmetic number, because the mean of its divisors is an integer number (19830529677).

Almost surely, 2^39661059353 is an apocalyptic number.

It is an amenable number.

39661059353 is a deficient number, since it is larger than the sum of its proper divisors (1).

39661059353 is an equidigital number, since it uses as much as digits as its factorization.

39661059353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1968300, while the sum is 50.

The spelling of 39661059353 in words is "thirty-nine billion, six hundred sixty-one million, fifty-nine thousand, three hundred fifty-three".