52630021643 has 2 divisors, whose sum is σ = 52630021644. Its totient is φ = 52630021642.

The previous prime is 52630021621. The next prime is 52630021649. The reversal of 52630021643 is 34612003625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52630021643 - 2³⁴ = 35450152459 is a prime.

It is not a weakly prime, because it can be changed into another prime (52630021649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26315010821 + 26315010822.

It is an arithmetic number, because the mean of its divisors is an integer number (26315010822).

Almost surely, 2^52630021643 is an apocalyptic number.

52630021643 is a deficient number, since it is larger than the sum of its proper divisors (1).

52630021643 is an equidigital number, since it uses as much as digits as its factorization.

52630021643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The spelling of 52630021643 in words is "fifty-two billion, six hundred thirty million, twenty-one thousand, six hundred forty-three".