20146713120349 has 2 divisors, whose sum is σ = 20146713120350. Its totient is φ = 20146713120348.

The previous prime is 20146713120329. The next prime is 20146713120367. The reversal of 20146713120349 is 94302131764102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19470729879225 + 675983241124 = 4412565^2 + 822182^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20146713120349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20146713120329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10073356560174 + 10073356560175.

It is an arithmetic number, because the mean of its divisors is an integer number (10073356560175).

Almost surely, 2^{20146713120349} is an apocalyptic number.

It is an amenable number.

20146713120349 is a deficient number, since it is larger than the sum of its proper divisors (1).

20146713120349 is an equidigital number, since it uses as much as digits as its factorization.

20146713120349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 20146713120349 in words is "twenty trillion, one hundred forty-six billion, seven hundred thirteen million, one hundred twenty thousand, three hundred forty-nine".