39722006593 has 2 divisors, whose sum is σ = 39722006594. Its totient is φ = 39722006592.

The previous prime is 39722006563. The next prime is 39722006617. The reversal of 39722006593 is 39560022793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37617766209 + 2104240384 = 193953^2 + 45872^2 .

It is a cyclic number.

It is not a de Polignac number, because 39722006593 - 2⁵ = 39722006561 is a prime.

It is not a weakly prime, because it can be changed into another prime (39722006563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19861003296 + 19861003297.

It is an arithmetic number, because the mean of its divisors is an integer number (19861003297).

Almost surely, 2^39722006593 is an apocalyptic number.

It is an amenable number.

39722006593 is a deficient number, since it is larger than the sum of its proper divisors (1).

39722006593 is an equidigital number, since it uses as much as digits as its factorization.

39722006593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 612360, while the sum is 46.

It can be divided in two parts, 3972200 and 6593, that added together give a palindrome (3978793).

The spelling of 39722006593 in words is "thirty-nine billion, seven hundred twenty-two million, six thousand, five hundred ninety-three".