20463026163149 has 2 divisors, whose sum is σ = 20463026163150. Its totient is φ = 20463026163148.

The previous prime is 20463026163131. The next prime is 20463026163197. The reversal of 20463026163149 is 94136162036402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14787639520900 + 5675386642249 = 3845470^2 + 2382307^2 .

It is a cyclic number.

It is not a de Polignac number, because 20463026163149 - 2²⁸ = 20462757727693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20463526163149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10231513081574 + 10231513081575.

It is an arithmetic number, because the mean of its divisors is an integer number (10231513081575).

Almost surely, 2^{20463026163149} is an apocalyptic number.

It is an amenable number.

20463026163149 is a deficient number, since it is larger than the sum of its proper divisors (1).

20463026163149 is an equidigital number, since it uses as much as digits as its factorization.

20463026163149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 20463026163149 in words is "twenty trillion, four hundred sixty-three billion, twenty-six million, one hundred sixty-three thousand, one hundred forty-nine".