39568612093 has 2 divisors, whose sum is σ = 39568612094. Its totient is φ = 39568612092.

The previous prime is 39568612067. The next prime is 39568612147. The reversal of 39568612093 is 39021686593.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28559986009 + 11008626084 = 168997^2 + 104922^2 .

It is a cyclic number.

It is not a de Polignac number, because 39568612093 - 2¹³ = 39568603901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39568612093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39568612693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19784306046 + 19784306047.

It is an arithmetic number, because the mean of its divisors is an integer number (19784306047).

Almost surely, 2^39568612093 is an apocalyptic number.

It is an amenable number.

39568612093 is a deficient number, since it is larger than the sum of its proper divisors (1).

39568612093 is an equidigital number, since it uses as much as digits as its factorization.

39568612093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 39568612093 in words is "thirty-nine billion, five hundred sixty-eight million, six hundred twelve thousand, ninety-three".