2061252701329 has 2 divisors, whose sum is σ = 2061252701330. Its totient is φ = 2061252701328.

The previous prime is 2061252701323. The next prime is 2061252701357. The reversal of 2061252701329 is 9231072521602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1903903232400 + 157349468929 = 1379820^2 + 396673^2 .

It is a cyclic number.

It is not a de Polignac number, because 2061252701329 - 2²⁷ = 2061118483601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2061252701291 and 2061252701300.

It is not a weakly prime, because it can be changed into another prime (2061252701323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030626350664 + 1030626350665.

It is an arithmetic number, because the mean of its divisors is an integer number (1030626350665).

Almost surely, 2^{2061252701329} is an apocalyptic number.

It is an amenable number.

2061252701329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2061252701329 is an equidigital number, since it uses as much as digits as its factorization.

2061252701329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 2061252701329 in words is "two trillion, sixty-one billion, two hundred fifty-two million, seven hundred one thousand, three hundred twenty-nine".