20466659362753 has 2 divisors, whose sum is σ = 20466659362754. Its totient is φ = 20466659362752.

The previous prime is 20466659362693. The next prime is 20466659362757. The reversal of 20466659362753 is 35726395666402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16261604674624 + 4205054688129 = 4032568^2 + 2050623^2 .

It is a cyclic number.

It is not a de Polignac number, because 20466659362753 - 2⁹ = 20466659362241 is a prime.

It is not a weakly prime, because it can be changed into another prime (20466659362757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10233329681376 + 10233329681377.

It is an arithmetic number, because the mean of its divisors is an integer number (10233329681377).

Almost surely, 2^{20466659362753} is an apocalyptic number.

It is an amenable number.

20466659362753 is a deficient number, since it is larger than the sum of its proper divisors (1).

20466659362753 is an equidigital number, since it uses as much as digits as its factorization.

20466659362753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 293932800, while the sum is 64.

The spelling of 20466659362753 in words is "twenty trillion, four hundred sixty-six billion, six hundred fifty-nine million, three hundred sixty-two thousand, seven hundred fifty-three".