20598455908759 has 2 divisors, whose sum is σ = 20598455908760. Its totient is φ = 20598455908758.

The previous prime is 20598455908733. The next prime is 20598455908801. The reversal of 20598455908759 is 95780955489502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20598455908759 - 2¹⁹ = 20598455384471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20598455918759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10299227954379 + 10299227954380.

It is an arithmetic number, because the mean of its divisors is an integer number (10299227954380).

Almost surely, 2^{20598455908759} is an apocalyptic number.

20598455908759 is a deficient number, since it is larger than the sum of its proper divisors (1).

20598455908759 is an equidigital number, since it uses as much as digits as its factorization.

20598455908759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960000, while the sum is 76.

The spelling of 20598455908759 in words is "twenty trillion, five hundred ninety-eight billion, four hundred fifty-five million, nine hundred eight thousand, seven hundred fifty-nine".