2129789574613 has 2 divisors, whose sum is σ = 2129789574614. Its totient is φ = 2129789574612.

The previous prime is 2129789574607. The next prime is 2129789574623. The reversal of 2129789574613 is 3164759879212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1259418128644 + 870371445969 = 1122238^2 + 932937^2 .

It is a cyclic number.

It is not a de Polignac number, because 2129789574613 - 2⁵ = 2129789574581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2129789574623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1064894787306 + 1064894787307.

It is an arithmetic number, because the mean of its divisors is an integer number (1064894787307).

Almost surely, 2^{2129789574613} is an apocalyptic number.

It is an amenable number.

2129789574613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2129789574613 is an equidigital number, since it uses as much as digits as its factorization.

2129789574613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45722880, while the sum is 64.

The spelling of 2129789574613 in words is "two trillion, one hundred twenty-nine billion, seven hundred eighty-nine million, five hundred seventy-four thousand, six hundred thirteen".