2129790462529 has 2 divisors, whose sum is σ = 2129790462530. Its totient is φ = 2129790462528.

The previous prime is 2129790462523. The next prime is 2129790462539. The reversal of 2129790462529 is 9252640979212.

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., 1828855931904 + 300934530625 = 1352352^2 + 548575^2 .

It is a cyclic number.

It is not a de Polignac number, because 2129790462529 - 2³³ = 2121200527937 is a prime.

It is not a weakly prime, because it can be changed into another prime (2129790462523) 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, 1064895231264 + 1064895231265.

It is an arithmetic number, because the mean of its divisors is an integer number (1064895231265).

Almost surely, 2^{2129790462529} is an apocalyptic number.

It is an amenable number.

2129790462529 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129790462529 is an equidigital number, since it uses as much as digits as its factorization.

2129790462529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The spelling of 2129790462529 in words is "two trillion, one hundred twenty-nine billion, seven hundred ninety million, four hundred sixty-two thousand, five hundred twenty-nine".