52129544249 has 2 divisors, whose sum is σ = 52129544250. Its totient is φ = 52129544248.

The previous prime is 52129544227. The next prime is 52129544251. The reversal of 52129544249 is 94244592125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43831609600 + 8297934649 = 209360^2 + 91093^2 .

It is a cyclic number.

It is not a de Polignac number, because 52129544249 - 2¹² = 52129540153 is a prime.

Together with 52129544251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52129544279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26064772124 + 26064772125.

It is an arithmetic number, because the mean of its divisors is an integer number (26064772125).

Almost surely, 2^52129544249 is an apocalyptic number.

It is an amenable number.

52129544249 is a deficient number, since it is larger than the sum of its proper divisors (1).

52129544249 is an equidigital number, since it uses as much as digits as its factorization.

52129544249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 47.

The spelling of 52129544249 in words is "fifty-two billion, one hundred twenty-nine million, five hundred forty-four thousand, two hundred forty-nine".