20597044759 has 2 divisors, whose sum is σ = 20597044760. Its totient is φ = 20597044758.

The previous prime is 20597044729. The next prime is 20597044771. The reversal of 20597044759 is 95744079502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20597044759 - 2³¹ = 18449561111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20597044729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10298522379 + 10298522380.

It is an arithmetic number, because the mean of its divisors is an integer number (10298522380).

Almost surely, 2^20597044759 is an apocalyptic number.

20597044759 is a deficient number, since it is larger than the sum of its proper divisors (1).

20597044759 is an equidigital number, since it uses as much as digits as its factorization.

20597044759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The spelling of 20597044759 in words is "twenty billion, five hundred ninety-seven million, forty-four thousand, seven hundred fifty-nine".