52006696321 has 2 divisors, whose sum is σ = 52006696322. Its totient is φ = 52006696320.

The previous prime is 52006696289. The next prime is 52006696331. The reversal of 52006696321 is 12369660025.

52006696321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44706873600 + 7299822721 = 211440^2 + 85439^2 .

It is a cyclic number.

It is not a de Polignac number, because 52006696321 - 2⁵ = 52006696289 is a prime.

It is not a weakly prime, because it can be changed into another prime (52006696331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26003348160 + 26003348161.

It is an arithmetic number, because the mean of its divisors is an integer number (26003348161).

Almost surely, 2^52006696321 is an apocalyptic number.

It is an amenable number.

52006696321 is a deficient number, since it is larger than the sum of its proper divisors (1).

52006696321 is an equidigital number, since it uses as much as digits as its factorization.

52006696321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 52006696321 in words is "fifty-two billion, six million, six hundred ninety-six thousand, three hundred twenty-one".