52538668619 has 2 divisors, whose sum is σ = 52538668620. Its totient is φ = 52538668618.

The previous prime is 52538668613. The next prime is 52538668673. The reversal of 52538668619 is 91686683525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52538668619 - 2⁸ = 52538668363 is a prime.

It is a super-2 number, since 2×52538668619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52538668613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26269334309 + 26269334310.

It is an arithmetic number, because the mean of its divisors is an integer number (26269334310).

Almost surely, 2^52538668619 is an apocalyptic number.

52538668619 is a deficient number, since it is larger than the sum of its proper divisors (1).

52538668619 is an equidigital number, since it uses as much as digits as its factorization.

52538668619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18662400, while the sum is 59.

The spelling of 52538668619 in words is "fifty-two billion, five hundred thirty-eight million, six hundred sixty-eight thousand, six hundred nineteen".