20614142327729 has 2 divisors, whose sum is σ = 20614142327730. Its totient is φ = 20614142327728.

The previous prime is 20614142327719. The next prime is 20614142327803. The reversal of 20614142327729 is 92772324141602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20613207191329 + 935136400 = 4540177^2 + 30580^2 .

It is a cyclic number.

It is not a de Polignac number, because 20614142327729 - 2⁴⁰ = 19514630699953 is a prime.

It is not a weakly prime, because it can be changed into another prime (20614142327719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10307071163864 + 10307071163865.

It is an arithmetic number, because the mean of its divisors is an integer number (10307071163865).

Almost surely, 2^{20614142327729} is an apocalyptic number.

It is an amenable number.

20614142327729 is a deficient number, since it is larger than the sum of its proper divisors (1).

20614142327729 is an equidigital number, since it uses as much as digits as its factorization.

20614142327729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 20614142327729 in words is "twenty trillion, six hundred fourteen billion, one hundred forty-two million, three hundred twenty-seven thousand, seven hundred twenty-nine".