2129932945489 has 2 divisors, whose sum is σ = 2129932945490. Its totient is φ = 2129932945488.

The previous prime is 2129932945433. The next prime is 2129932945507. The reversal of 2129932945489 is 9845492399212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849689761089 + 280243184400 = 1360033^2 + 529380^2 .

It is a cyclic number.

It is not a de Polignac number, because 2129932945489 - 2¹⁵ = 2129932912721 is a prime.

It is a super-2 number, since 2×2129932945489² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2129932945409) 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, 1064966472744 + 1064966472745.

It is an arithmetic number, because the mean of its divisors is an integer number (1064966472745).

Almost surely, 2^{2129932945489} is an apocalyptic number.

It is an amenable number.

2129932945489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129932945489 is an equidigital number, since it uses as much as digits as its factorization.

2129932945489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100776960, while the sum is 67.

The spelling of 2129932945489 in words is "two trillion, one hundred twenty-nine billion, nine hundred thirty-two million, nine hundred forty-five thousand, four hundred eighty-nine".