20034345763513 has 2 divisors, whose sum is σ = 20034345763514. Its totient is φ = 20034345763512.

The previous prime is 20034345763501. The next prime is 20034345763657. The reversal of 20034345763513 is 31536754343002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16503524377209 + 3530821386304 = 4062453^2 + 1879048^2 .

It is a cyclic number.

It is not a de Polignac number, because 20034345763513 - 2²¹ = 20034343666361 is a prime.

It is not a weakly prime, because it can be changed into another prime (20034345763213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10017172881756 + 10017172881757.

It is an arithmetic number, because the mean of its divisors is an integer number (10017172881757).

Almost surely, 2^{20034345763513} is an apocalyptic number.

It is an amenable number.

20034345763513 is a deficient number, since it is larger than the sum of its proper divisors (1).

20034345763513 is an equidigital number, since it uses as much as digits as its factorization.

20034345763513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2721600, while the sum is 46.

The spelling of 20034345763513 in words is "twenty trillion, thirty-four billion, three hundred forty-five million, seven hundred sixty-three thousand, five hundred thirteen".