52218516619 has 2 divisors, whose sum is σ = 52218516620. Its totient is φ = 52218516618.

The previous prime is 52218516613. The next prime is 52218516683. The reversal of 52218516619 is 91661581225.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52218516619 - 2³ = 52218516611 is a prime.

It is a super-2 number, since 2×52218516619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52218516611) 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, 26109258309 + 26109258310.

It is an arithmetic number, because the mean of its divisors is an integer number (26109258310).

Almost surely, 2^52218516619 is an apocalyptic number.

52218516619 is a deficient number, since it is larger than the sum of its proper divisors (1).

52218516619 is an equidigital number, since it uses as much as digits as its factorization.

52218516619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259200, while the sum is 46.

The spelling of 52218516619 in words is "fifty-two billion, two hundred eighteen million, five hundred sixteen thousand, six hundred nineteen".