52429440013 has 2 divisors, whose sum is σ = 52429440014. Its totient is φ = 52429440012.

The previous prime is 52429439983. The next prime is 52429440073. The reversal of 52429440013 is 31004492425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26482029289 + 25947410724 = 162733^2 + 161082^2 .

It is a cyclic number.

It is not a de Polignac number, because 52429440013 - 2⁹ = 52429439501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52429440073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26214720006 + 26214720007.

It is an arithmetic number, because the mean of its divisors is an integer number (26214720007).

Almost surely, 2^52429440013 is an apocalyptic number.

It is an amenable number.

52429440013 is a deficient number, since it is larger than the sum of its proper divisors (1).

52429440013 is an equidigital number, since it uses as much as digits as its factorization.

52429440013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 52429440013 in words is "fifty-two billion, four hundred twenty-nine million, four hundred forty thousand, thirteen".