39792029813 has 2 divisors, whose sum is σ = 39792029814. Its totient is φ = 39792029812.

The previous prime is 39792029779. The next prime is 39792029909. The reversal of 39792029813 is 31892029793.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39556038769 + 235991044 = 198887^2 + 15362^2 .

It is a cyclic number.

It is not a de Polignac number, because 39792029813 - 2¹⁰ = 39792028789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39792029513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19896014906 + 19896014907.

It is an arithmetic number, because the mean of its divisors is an integer number (19896014907).

Almost surely, 2^39792029813 is an apocalyptic number.

It is an amenable number.

39792029813 is a deficient number, since it is larger than the sum of its proper divisors (1).

39792029813 is an equidigital number, since it uses as much as digits as its factorization.

39792029813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 39792029813 in words is "thirty-nine billion, seven hundred ninety-two million, twenty-nine thousand, eight hundred thirteen".