20414010452609 has 2 divisors, whose sum is σ = 20414010452610. Its totient is φ = 20414010452608.

The previous prime is 20414010452597. The next prime is 20414010452659. The reversal of 20414010452609 is 90625401041402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15697816430209 + 4716194022400 = 3962047^2 + 2171680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20414010452609 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20414010452659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10207005226304 + 10207005226305.

It is an arithmetic number, because the mean of its divisors is an integer number (10207005226305).

Almost surely, 2^{20414010452609} is an apocalyptic number.

It is an amenable number.

20414010452609 is a deficient number, since it is larger than the sum of its proper divisors (1).

20414010452609 is an equidigital number, since it uses as much as digits as its factorization.

20414010452609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 20414010452609 in words is "twenty trillion, four hundred fourteen billion, ten million, four hundred fifty-two thousand, six hundred nine".